CWE VIEW: Weaknesses Addressed by The CERT Oracle Secure Coding Standard for Java (2011)
 Objective Audience
RelationshipsThe following graph shows the tree-like relationships between
weaknesses that exist at different levels of abstraction. At the highest level, categories
and pillars exist to group weaknesses. Categories (which are not technically weaknesses) are
special CWE entries used to group weaknesses that share a common characteristic. Pillars are
weaknesses that are described in the most abstract fashion. Below these top-level entries
are weaknesses are varying levels of abstraction. Classes are still very abstract, typically
independent of any specific language or technology. Base level weaknesses are used to
present a more specific type of weakness. A variant is a weakness that is described at a
very low level of detail, typically limited to a specific language or technology. A chain is
a set of weaknesses that must be reachable consecutively in order to produce an exploitable
vulnerability. While a composite is a set of weaknesses that must all be present
simultaneously in order to produce an exploitable vulnerability.
Show Details:
844 - Weaknesses Addressed by The CERT Oracle Secure Coding Standard for Java (2011)
Category - a CWE entry that contains a set of other entries that share a common characteristic.
The CERT Oracle Secure Coding Standard for Java (2011) Chapter 2 - Input Validation and Data Sanitization (IDS)
- (845)
Weaknesses in this category are related to rules in the Input Validation and Data Sanitization (IDS) chapter of The CERT Oracle Secure Coding Standard for Java (2011).
Class - a weakness that is described in a very abstract fashion, typically independent of any specific language or technology. More specific than a Pillar Weakness, but more general than a Base Weakness. Class level weaknesses typically describe issues in terms of 1 or 2 of the following dimensions: behavior, property, and resource.
Improper Encoding or Escaping of Output
- (116)
The product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved.
Output Sanitization
Output Validation
Output Encoding
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Use of Externally-Controlled Format String
- (134)
The product uses a function that accepts a format string as an argument, but the format string originates from an external source.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Improper Neutralization of Line Delimiters
- (144)
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could be interpreted as line delimiters when they are sent to a downstream component.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Improper Neutralization of Escape, Meta, or Control Sequences
- (150)
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could be interpreted as escape, meta, or control character sequences when they are sent to a downstream component.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Incorrect Behavior Order: Validate Before Canonicalize
- (180)
The product validates input before it is canonicalized, which prevents the product from detecting data that becomes invalid after the canonicalization step.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Collapse of Data into Unsafe Value
- (182)
The product filters data in a way that causes it to be reduced or "collapsed" into an unsafe value that violates an expected security property.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Authentication Bypass by Alternate Name
- (289)
The product performs authentication based on the name of a resource being accessed, or the name of the actor performing the access, but it does not properly check all possible names for that resource or actor.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Improper Handling of Highly Compressed Data (Data Amplification)
- (409)
The product does not handle or incorrectly handles a compressed input with a very high compression ratio that produces a large output.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Permissive Regular Expression
- (625)
The product uses a regular expression that does not sufficiently restrict the set of allowed values.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Use of Non-Canonical URL Paths for Authorization Decisions
- (647)
The product defines policy namespaces and makes authorization decisions based on the assumption that a URL is canonical. This can allow a non-canonical URL to bypass the authorization.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
- (78)
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
Shell injection
Shell metacharacters
OS Command Injection
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Inappropriate Encoding for Output Context
- (838)
The product uses or specifies an encoding when generating output to a downstream component, but the specified encoding is not the same as the encoding that is expected by the downstream component.
Category - a CWE entry that contains a set of other entries that share a common characteristic.
The CERT Oracle Secure Coding Standard for Java (2011) Chapter 3 - Declarations and Initialization (DCL)
- (846)
Weaknesses in this category are related to rules in the Declarations and Initialization (DCL) chapter of The CERT Oracle Secure Coding Standard for Java (2011).
Class - a weakness that is described in a very abstract fashion, typically independent of any specific language or technology. More specific than a Pillar Weakness, but more general than a Base Weakness. Class level weaknesses typically describe issues in terms of 1 or 2 of the following dimensions: behavior, property, and resource.
Improper Initialization
- (665)
The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used.
Category - a CWE entry that contains a set of other entries that share a common characteristic.
The CERT Oracle Secure Coding Standard for Java (2011) Chapter 4 - Expressions (EXP)
- (847)
Weaknesses in this category are related to rules in the Expressions (EXP) chapter of The CERT Oracle Secure Coding Standard for Java (2011).
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Unchecked Return Value
- (252)
The product does not check the return value from a method or function, which can prevent it from detecting unexpected states and conditions.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Signal Handler Use of a Non-reentrant Function
- (479)
The product defines a signal handler that calls a non-reentrant function.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Comparison of Object References Instead of Object Contents
- (595)
The product compares object references instead of the contents of the objects themselves, preventing it from detecting equivalent objects.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Use of Wrong Operator in String Comparison
- (597)
The product uses the wrong operator when comparing a string, such as using "==" when the .equals() method should be used instead.
Category - a CWE entry that contains a set of other entries that share a common characteristic.
The CERT Oracle Secure Coding Standard for Java (2011) Chapter 5 - Numeric Types and Operations (NUM)
- (848)
Weaknesses in this category are related to rules in the Numeric Types and Operations (NUM) chapter of The CERT Oracle Secure Coding Standard for Java (2011).
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Numeric Truncation Error
- (197)
Truncation errors occur when a primitive is cast to a primitive of a smaller size and data is lost in the conversion.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Divide By Zero
- (369)
The product divides a value by zero.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Incorrect Conversion between Numeric Types
- (681)
When converting from one data type to another, such as long to integer, data can be omitted or translated in a way that produces unexpected values. If the resulting values are used in a sensitive context, then dangerous behaviors may occur.
Category - a CWE entry that contains a set of other entries that share a common characteristic.
The CERT Oracle Secure Coding Standard for Java (2011) Chapter 6 - Object Orientation (OBJ)
- (849)
Weaknesses in this category are related to rules in the Object Orientation (OBJ) chapter of The CERT Oracle Secure Coding Standard for Java (2011).
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Passing Mutable Objects to an Untrusted Method
- (374)
The product sends non-cloned mutable data as an argument to a method or function.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Returning a Mutable Object to an Untrusted Caller
- (375)
Sending non-cloned mutable data as a return value may result in that data being altered or deleted by the calling function.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Comparison of Classes by Name
- (486)
The product compares classes by name, which can cause it to use the wrong class when multiple classes can have the same name.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Public cloneable() Method Without Final ('Object Hijack')
- (491)
A class has a cloneable() method that is not declared final, which allows an object to be created without calling the constructor. This can cause the object to be in an unexpected state.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Use of Inner Class Containing Sensitive Data
- (492)
Inner classes are translated into classes that are accessible at package scope and may expose code that the programmer intended to keep private to attackers.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Critical Public Variable Without Final Modifier
- (493)
The product has a critical public variable that is not final, which allows the variable to be modified to contain unexpected values.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Cloneable Class Containing Sensitive Information
- (498)
The code contains a class with sensitive data, but the class is cloneable. The data can then be accessed by cloning the class.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Public Static Field Not Marked Final
- (500)
An object contains a public static field that is not marked final, which might allow it to be modified in unexpected ways.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Array Declared Public, Final, and Static
- (582)
The product declares an array public, final, and static, which is not sufficient to prevent the array's contents from being modified.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Critical Data Element Declared Public
- (766)
The product declares a critical variable, field, or member to be public when intended security policy requires it to be private.
Category - a CWE entry that contains a set of other entries that share a common characteristic.
The CERT Oracle Secure Coding Standard for Java (2011) Chapter 7 - Methods (MET)
- (850)
Weaknesses in this category are related to rules in the Methods (MET) chapter of The CERT Oracle Secure Coding Standard for Java (2011).
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Reliance on Package-level Scope
- (487)
Java packages are not inherently closed; therefore, relying on them for code security is not a good practice.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
finalize() Method Without super.finalize()
- (568)
The product contains a finalize() method that does not call super.finalize().
Class - a weakness that is described in a very abstract fashion, typically independent of any specific language or technology. More specific than a Pillar Weakness, but more general than a Base Weakness. Class level weaknesses typically describe issues in terms of 1 or 2 of the following dimensions: behavior, property, and resource.
Improper Following of Specification by Caller
- (573)
The product does not follow or incorrectly follows the specifications as required by the implementation language, environment, framework, protocol, or platform.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Object Model Violation: Just One of Equals and Hashcode Defined
- (581)
The product does not maintain equal hashcodes for equal objects.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
finalize() Method Declared Public
- (583)
The product violates secure coding principles for mobile code by declaring a finalize() method public.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Explicit Call to Finalize()
- (586)
The product makes an explicit call to the finalize() method from outside the finalizer.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Call to Non-ubiquitous API
- (589)
The product uses an API function that does not exist on all versions of the target platform. This could cause portability problems or inconsistencies that allow denial of service or other consequences.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Reachable Assertion
- (617)
The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.
assertion failure
Category - a CWE entry that contains a set of other entries that share a common characteristic.
The CERT Oracle Secure Coding Standard for Java (2011) Chapter 8 - Exceptional Behavior (ERR)
- (851)
Weaknesses in this category are related to rules in the Exceptional Behavior (ERR) chapter of The CERT Oracle Secure Coding Standard for Java (2011).
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Generation of Error Message Containing Sensitive Information
- (209)
The product generates an error message that includes sensitive information about its environment, users, or associated data.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Improper Handling of Missing Values
- (230)
The product does not handle or incorrectly handles when a parameter, field, or argument name is specified, but the associated value is missing, i.e. it is empty, blank, or null.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Improper Handling of Undefined Values
- (232)
The product does not handle or incorrectly handles when a value is not defined or supported for the associated parameter, field, or argument name.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Uncaught Exception
- (248)
An exception is thrown from a function, but it is not caught.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
J2EE Bad Practices: Use of System.exit()
- (382)
A J2EE application uses System.exit(), which also shuts down its container.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Detection of Error Condition Without Action
- (390)
The product detects a specific error, but takes no actions to handle the error.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Use of NullPointerException Catch to Detect NULL Pointer Dereference
- (395)
Catching NullPointerException should not be used as an alternative to programmatic checks to prevent dereferencing a null pointer.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Declaration of Throws for Generic Exception
- (397)
Throwing overly broad exceptions promotes complex error handling code that is more likely to contain security vulnerabilities.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Improper Cleanup on Thrown Exception
- (460)
The product does not clean up its state or incorrectly cleans up its state when an exception is thrown, leading to unexpected state or control flow.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Exposure of Sensitive System Information to an Unauthorized Control Sphere
- (497)
The product does not properly prevent sensitive system-level information from being accessed by unauthorized actors who do not have the same level of access to the underlying system as the product does.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Return Inside Finally Block
- (584)
The code has a return statement inside a finally block, which will cause any thrown exception in the try block to be discarded.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Uncaught Exception in Servlet
- (600)
The Servlet does not catch all exceptions, which may reveal sensitive debugging information.
Missing Catch Block
Chain - a Compound Element that is a sequence of two or more separate weaknesses that can be closely linked together within software. One weakness, X, can directly create the conditions that are necessary to cause another weakness, Y, to enter a vulnerable condition. When this happens, CWE refers to X as "primary" to Y, and Y is "resultant" from X. Chains can involve more than two weaknesses, and in some cases, they might have a tree-like structure.
Unchecked Return Value to NULL Pointer Dereference
- (690)
The product does not check for an error after calling a function that can return with a NULL pointer if the function fails, which leads to a resultant NULL pointer dereference.
Pillar - a weakness that is the most abstract type of weakness and represents a theme for all class/base/variant weaknesses related to it. A Pillar is different from a Category as a Pillar is still technically a type of weakness that describes a mistake, while a Category represents a common characteristic used to group related things.
Improper Check or Handling of Exceptional Conditions
- (703)
The product does not properly anticipate or handle exceptional conditions that rarely occur during normal operation of the product.
Class - a weakness that is described in a very abstract fashion, typically independent of any specific language or technology. More specific than a Pillar Weakness, but more general than a Base Weakness. Class level weaknesses typically describe issues in terms of 1 or 2 of the following dimensions: behavior, property, and resource.
Incorrect Control Flow Scoping
- (705)
The product does not properly return control flow to the proper location after it has completed a task or detected an unusual condition.
Category - a CWE entry that contains a set of other entries that share a common characteristic.
The CERT Oracle Secure Coding Standard for Java (2011) Chapter 9 - Visibility and Atomicity (VNA)
- (852)
Weaknesses in this category are related to rules in the Visibility and Atomicity (VNA) chapter of The CERT Oracle Secure Coding Standard for Java (2011).
Class - a weakness that is described in a very abstract fashion, typically independent of any specific language or technology. More specific than a Pillar Weakness, but more general than a Base Weakness. Class level weaknesses typically describe issues in terms of 1 or 2 of the following dimensions: behavior, property, and resource.
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
- (362)
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
Race Condition
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Race Condition within a Thread
- (366)
If two threads of execution use a resource simultaneously, there exists the possibility that resources may be used while invalid, in turn making the state of execution undefined.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Improper Resource Locking
- (413)
The product does not lock or does not correctly lock a resource when the product must have exclusive access to the resource.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Unsynchronized Access to Shared Data in a Multithreaded Context
- (567)
The product does not properly synchronize shared data, such as static variables across threads, which can lead to undefined behavior and unpredictable data changes.
Class - a weakness that is described in a very abstract fashion, typically independent of any specific language or technology. More specific than a Pillar Weakness, but more general than a Base Weakness. Class level weaknesses typically describe issues in terms of 1 or 2 of the following dimensions: behavior, property, and resource.
Improper Synchronization
- (662)
The product utilizes multiple threads or processes to allow temporary access to a shared resource that can only be exclusive to one process at a time, but it does not properly synchronize these actions, which might cause simultaneous accesses of this resource by multiple threads or processes.
Class - a weakness that is described in a very abstract fashion, typically independent of any specific language or technology. More specific than a Pillar Weakness, but more general than a Base Weakness. Class level weaknesses typically describe issues in terms of 1 or 2 of the following dimensions: behavior, property, and resource.
Improper Locking
- (667)
The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.
Category - a CWE entry that contains a set of other entries that share a common characteristic.
The CERT Oracle Secure Coding Standard for Java (2011) Chapter 10 - Locking (LCK)
- (853)
Weaknesses in this category are related to rules in the Locking (LCK) chapter of The CERT Oracle Secure Coding Standard for Java (2011).
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Unrestricted Externally Accessible Lock
- (412)
The product properly checks for the existence of a lock, but the lock can be externally controlled or influenced by an actor that is outside of the intended sphere of control.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Improper Resource Locking
- (413)
The product does not lock or does not correctly lock a resource when the product must have exclusive access to the resource.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Double-Checked Locking
- (609)
The product uses double-checked locking to access a resource without the overhead of explicit synchronization, but the locking is insufficient.
Class - a weakness that is described in a very abstract fashion, typically independent of any specific language or technology. More specific than a Pillar Weakness, but more general than a Base Weakness. Class level weaknesses typically describe issues in terms of 1 or 2 of the following dimensions: behavior, property, and resource.
Improper Locking
- (667)
The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Missing Synchronization
- (820)
The product utilizes a shared resource in a concurrent manner but does not attempt to synchronize access to the resource.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Deadlock
- (833)
The product contains multiple threads or executable segments that are waiting for each other to release a necessary lock, resulting in deadlock.
Category - a CWE entry that contains a set of other entries that share a common characteristic.
The CERT Oracle Secure Coding Standard for Java (2011) Chapter 11 - Thread APIs (THI)
- (854)
Weaknesses in this category are related to rules in the Thread APIs (THI) chapter of The CERT Oracle Secure Coding Standard for Java (2011).
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Call to Thread run() instead of start()
- (572)
The product calls a thread's run() method instead of calling start(), which causes the code to run in the thread of the caller instead of the callee.
Class - a weakness that is described in a very abstract fashion, typically independent of any specific language or technology. More specific than a Pillar Weakness, but more general than a Base Weakness. Class level weaknesses typically describe issues in terms of 1 or 2 of the following dimensions: behavior, property, and resource.
Incorrect Control Flow Scoping
- (705)
The product does not properly return control flow to the proper location after it has completed a task or detected an unusual condition.
Category - a CWE entry that contains a set of other entries that share a common characteristic.
The CERT Oracle Secure Coding Standard for Java (2011) Chapter 12 - Thread Pools (TPS)
- (855)
Weaknesses in this category are related to rules in the Thread Pools (TPS) chapter of The CERT Oracle Secure Coding Standard for Java (2011).
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Missing Report of Error Condition
- (392)
The product encounters an error but does not provide a status code or return value to indicate that an error has occurred.
Class - a weakness that is described in a very abstract fashion, typically independent of any specific language or technology. More specific than a Pillar Weakness, but more general than a Base Weakness. Class level weaknesses typically describe issues in terms of 1 or 2 of the following dimensions: behavior, property, and resource.
Asymmetric Resource Consumption (Amplification)
- (405)
The product does not properly control situations in which an adversary can cause the product to consume or produce excessive resources without requiring the adversary to invest equivalent work or otherwise prove authorization, i.e., the adversary's influence is "asymmetric."
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Insufficient Resource Pool
- (410)
The product's resource pool is not large enough to handle peak demand, which allows an attacker to prevent others from accessing the resource by using a (relatively) large number of requests for resources.
Category - a CWE entry that contains a set of other entries that share a common characteristic.
The CERT Oracle Secure Coding Standard for Java (2011) Chapter 13 - Thread-Safety Miscellaneous (TSM)
- (856)
Weaknesses in this category are related to rules in the Thread-Safety Miscellaneous (TSM) chapter of The CERT Oracle Secure Coding Standard for Java (2011).
Category - a CWE entry that contains a set of other entries that share a common characteristic.
The CERT Oracle Secure Coding Standard for Java (2011) Chapter 14 - Input Output (FIO)
- (857)
Weaknesses in this category are related to rules in the Input Output (FIO) chapter of The CERT Oracle Secure Coding Standard for Java (2011).
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Incorrect Calculation of Multi-Byte String Length
- (135)
The product does not correctly calculate the length of strings that can contain wide or multi-byte characters.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Use of Incorrect Byte Ordering
- (198)
The product receives input from an upstream component, but it does not account for byte ordering (e.g. big-endian and little-endian) when processing the input, causing an incorrect number or value to be used.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Incorrect Default Permissions
- (276)
During installation, installed file permissions are set to allow anyone to modify those files.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Incorrect Execution-Assigned Permissions
- (279)
While it is executing, the product sets the permissions of an object in a way that violates the intended permissions that have been specified by the user.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Exposure of Private Personal Information to an Unauthorized Actor
- (359)
The product does not properly prevent a person's private, personal information from being accessed by actors who either (1) are not explicitly authorized to access the information or (2) do not have the implicit consent of the person about whom the information is collected.
Privacy violation
Privacy leak
Privacy leakage
Class - a weakness that is described in a very abstract fashion, typically independent of any specific language or technology. More specific than a Pillar Weakness, but more general than a Base Weakness. Class level weaknesses typically describe issues in terms of 1 or 2 of the following dimensions: behavior, property, and resource.
Insecure Temporary File
- (377)
Creating and using insecure temporary files can leave application and system data vulnerable to attack.
Class - a weakness that is described in a very abstract fashion, typically independent of any specific language or technology. More specific than a Pillar Weakness, but more general than a Base Weakness. Class level weaknesses typically describe issues in terms of 1 or 2 of the following dimensions: behavior, property, and resource.
Improper Resource Shutdown or Release
- (404)
The product does not release or incorrectly releases a resource before it is made available for re-use.
Class - a weakness that is described in a very abstract fashion, typically independent of any specific language or technology. More specific than a Pillar Weakness, but more general than a Base Weakness. Class level weaknesses typically describe issues in terms of 1 or 2 of the following dimensions: behavior, property, and resource.
Asymmetric Resource Consumption (Amplification)
- (405)
The product does not properly control situations in which an adversary can cause the product to consume or produce excessive resources without requiring the adversary to invest equivalent work or otherwise prove authorization, i.e., the adversary's influence is "asymmetric."
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Incomplete Cleanup
- (459)
The product does not properly "clean up" and remove temporary or supporting resources after they have been used.
Insufficient Cleanup
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Insertion of Sensitive Information into Log File
- (532)
The product writes sensitive information to a log file.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Improper Handling of Windows Device Names
- (67)
The product constructs pathnames from user input, but it does not handle or incorrectly handles a pathname containing a Windows device name such as AUX or CON. This typically leads to denial of service or an information exposure when the application attempts to process the pathname as a regular file.
Class - a weakness that is described in a very abstract fashion, typically independent of any specific language or technology. More specific than a Pillar Weakness, but more general than a Base Weakness. Class level weaknesses typically describe issues in terms of 1 or 2 of the following dimensions: behavior, property, and resource.
Incorrect Permission Assignment for Critical Resource
- (732)
The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Allocation of Resources Without Limits or Throttling
- (770)
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.
Category - a CWE entry that contains a set of other entries that share a common characteristic.
The CERT Oracle Secure Coding Standard for Java (2011) Chapter 15 - Serialization (SER)
- (858)
Weaknesses in this category are related to rules in the Serialization (SER) chapter of The CERT Oracle Secure Coding Standard for Java (2011).
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Execution with Unnecessary Privileges
- (250)
The product performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Cleartext Transmission of Sensitive Information
- (319)
The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors.
Class - a weakness that is described in a very abstract fashion, typically independent of any specific language or technology. More specific than a Pillar Weakness, but more general than a Base Weakness. Class level weaknesses typically describe issues in terms of 1 or 2 of the following dimensions: behavior, property, and resource.
Uncontrolled Resource Consumption
- (400)
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
Resource Exhaustion
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Serializable Class Containing Sensitive Data
- (499)
The code contains a class with sensitive data, but the class does not explicitly deny serialization. The data can be accessed by serializing the class through another class.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Deserialization of Untrusted Data
- (502)
The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.
Marshaling, Unmarshaling
Pickling, Unpickling
PHP Object Injection
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Call to Non-ubiquitous API
- (589)
The product uses an API function that does not exist on all versions of the target platform. This could cause portability problems or inconsistencies that allow denial of service or other consequences.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Allocation of Resources Without Limits or Throttling
- (770)
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.
Category - a CWE entry that contains a set of other entries that share a common characteristic.
The CERT Oracle Secure Coding Standard for Java (2011) Chapter 16 - Platform Security (SEC)
- (859)
Weaknesses in this category are related to rules in the Platform Security (SEC) chapter of The CERT Oracle Secure Coding Standard for Java (2011).
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Direct Use of Unsafe JNI
- (111)
When a Java application uses the Java Native Interface (JNI) to call code written in another programming language, it can expose the application to weaknesses in that code, even if those weaknesses cannot occur in Java.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Incorrect Privilege Assignment
- (266)
A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Least Privilege Violation
- (272)
The elevated privilege level required to perform operations such as chroot() should be dropped immediately after the operation is performed.
Class - a weakness that is described in a very abstract fashion, typically independent of any specific language or technology. More specific than a Pillar Weakness, but more general than a Base Weakness. Class level weaknesses typically describe issues in terms of 1 or 2 of the following dimensions: behavior, property, and resource.
Channel Accessible by Non-Endpoint
- (300)
The product does not adequately verify the identity of actors at both ends of a communication channel, or does not adequately ensure the integrity of the channel, in a way that allows the channel to be accessed or influenced by an actor that is not an endpoint.
Adversary-in-the-Middle / AITM
Man-in-the-Middle / MITM
Person-in-the-Middle / PITM
Monkey-in-the-Middle
Monster-in-the-Middle
Manipulator-in-the-Middle
On-path attack
Interception attack
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Authentication Bypass by Assumed-Immutable Data
- (302)
The authentication scheme or implementation uses key data elements that are assumed to be immutable, but can be controlled or modified by the attacker.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Cleartext Transmission of Sensitive Information
- (319)
The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Improper Verification of Cryptographic Signature
- (347)
The product does not verify, or incorrectly verifies, the cryptographic signature for data.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')
- (470)
The product uses external input with reflection to select which classes or code to use, but it does not sufficiently prevent the input from selecting improper classes or code.
Reflection Injection
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Download of Code Without Integrity Check
- (494)
The product downloads source code or an executable from a remote location and executes the code without sufficiently verifying the origin and integrity of the code.
Class - a weakness that is described in a very abstract fashion, typically independent of any specific language or technology. More specific than a Pillar Weakness, but more general than a Base Weakness. Class level weaknesses typically describe issues in terms of 1 or 2 of the following dimensions: behavior, property, and resource.
Incorrect Permission Assignment for Critical Resource
- (732)
The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Reliance on Untrusted Inputs in a Security Decision
- (807)
The product uses a protection mechanism that relies on the existence or values of an input, but the input can be modified by an untrusted actor in a way that bypasses the protection mechanism.
Category - a CWE entry that contains a set of other entries that share a common characteristic.
The CERT Oracle Secure Coding Standard for Java (2011) Chapter 17 - Runtime Environment (ENV)
- (860)
Weaknesses in this category are related to rules in the Runtime Environment (ENV) chapter of The CERT Oracle Secure Coding Standard for Java (2011).
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Acceptance of Extraneous Untrusted Data With Trusted Data
- (349)
The product, when processing trusted data, accepts any untrusted data that is also included with the trusted data, treating the untrusted data as if it were trusted.
Class - a weakness that is described in a very abstract fashion, typically independent of any specific language or technology. More specific than a Pillar Weakness, but more general than a Base Weakness. Class level weaknesses typically describe issues in terms of 1 or 2 of the following dimensions: behavior, property, and resource.
Incorrect Permission Assignment for Critical Resource
- (732)
The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.
Category - a CWE entry that contains a set of other entries that share a common characteristic.
The CERT Oracle Secure Coding Standard for Java (2011) Chapter 18 - Miscellaneous (MSC)
- (861)
Weaknesses in this category are related to rules in the Miscellaneous (MSC) chapter of The CERT Oracle Secure Coding Standard for Java (2011).
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Use of Hard-coded Password
- (259)
The product contains a hard-coded password, which it uses for its own inbound authentication or for outbound communication to external components.
Class - a weakness that is described in a very abstract fashion, typically independent of any specific language or technology. More specific than a Pillar Weakness, but more general than a Base Weakness. Class level weaknesses typically describe issues in terms of 1 or 2 of the following dimensions: behavior, property, and resource.
Missing Encryption of Sensitive Data
- (311)
The product does not encrypt sensitive or critical information before storage or transmission.
Class - a weakness that is described in a very abstract fashion, typically independent of any specific language or technology. More specific than a Pillar Weakness, but more general than a Base Weakness. Class level weaknesses typically describe issues in terms of 1 or 2 of the following dimensions: behavior, property, and resource.
Use of Insufficiently Random Values
- (330)
The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Insufficient Entropy in PRNG
- (332)
The lack of entropy available for, or used by, a Pseudo-Random Number Generator (PRNG) can be a stability and security threat.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Improper Handling of Insufficient Entropy in TRNG
- (333)
True random number generators (TRNG) generally have a limited source of entropy and therefore can fail or block.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Same Seed in Pseudo-Random Number Generator (PRNG)
- (336)
A Pseudo-Random Number Generator (PRNG) uses the same seed each time the product is initialized.
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Predictable Seed in Pseudo-Random Number Generator (PRNG)
- (337)
A Pseudo-Random Number Generator (PRNG) is initialized from a predictable seed, such as the process ID or system time.
Class - a weakness that is described in a very abstract fashion, typically independent of any specific language or technology. More specific than a Pillar Weakness, but more general than a Base Weakness. Class level weaknesses typically describe issues in terms of 1 or 2 of the following dimensions: behavior, property, and resource.
Uncontrolled Resource Consumption
- (400)
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
Resource Exhaustion
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Missing Release of Memory after Effective Lifetime
- (401)
The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.
Memory Leak
Variant - a weakness that is linked to a certain type of product, typically involving a specific language or technology. More specific than a Base weakness. Variant level weaknesses typically describe issues in terms of 3 to 5 of the following dimensions: behavior, property, technology, language, and resource.
Use of Singleton Pattern Without Synchronization in a Multithreaded Context
- (543)
The product uses the singleton pattern when creating a resource within a multithreaded environment.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Allocation of Resources Without Limits or Throttling
- (770)
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.
Base - a weakness that is still mostly independent of a resource or technology, but with sufficient details to provide specific methods for detection and prevention. Base level weaknesses typically describe issues in terms of 2 or 3 of the following dimensions: behavior, property, technology, language, and resource.
Use of Hard-coded Credentials
- (798)
The product contains hard-coded credentials, such as a password or cryptographic key.
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