CWE

Common Weakness Enumeration

A Community-Developed List of Software Weakness Types

CWE/SANS Top 25 Most Dangerous Software Errors
Home > CWE List > CWE- Individual Dictionary Definition (2.11)  
ID

CWE-207: Information Exposure Through an External Behavioral Inconsistency

Weakness ID: 207
Abstraction: Variant
Status: Draft
Presentation Filter:
+ Description

Description Summary

The product behaves differently than other products like it, in a way that is observable to an attacker and exposes security-relevant information about which product is being used.
+ Time of Introduction
  • Architecture and Design
  • Implementation
+ Applicable Platforms

Languages

All

+ Common Consequences
ScopeEffect
Confidentiality
Access Control

Technical Impact: Read application data; Bypass protection mechanism

+ Observed Examples
ReferenceDescription
Product modifies TCP/IP stack and ICMP error messages in unusual ways that show the product is in use.
Behavioral infoleak by responding to SYN-FIN packets.
Honeypot generates an error with a "pwd" command in a particular directory, allowing attacker to know they are in a honeypot system.
+ Relationships
NatureTypeIDNameView(s) this relationship pertains toView(s)
ChildOfWeakness BaseWeakness Base205Information Exposure Through Behavioral Discrepancy
Development Concepts (primary)699
Research Concepts (primary)1000
ChildOfCategoryCategory967SFP Secondary Cluster: State Disclosure
Software Fault Pattern (SFP) Clusters (primary)888
+ Taxonomy Mappings
Mapped Taxonomy NameNode IDFitMapped Node Name
PLOVERExternal behavioral inconsistency infoleak
+ Content History
Submissions
Submission DateSubmitterOrganizationSource
PLOVERExternally Mined
Modifications
Modification DateModifierOrganizationSource
2008-07-01Eric DalciCigitalExternal
updated Potential_Mitigations, Time_of_Introduction
2008-09-08CWE Content TeamMITREInternal
updated Relationships, Taxonomy_Mappings
2009-12-28CWE Content TeamMITREInternal
updated Description, Name
2011-06-01CWE Content TeamMITREInternal
updated Common_Consequences
2012-05-11CWE Content TeamMITREInternal
updated Relationships
2012-10-30CWE Content TeamMITREInternal
updated Potential_Mitigations
2014-07-30CWE Content TeamMITREInternal
updated Relationships
Previous Entry Names
Change DatePrevious Entry Name
2009-12-28External Behavioral Inconsistency Information Leak

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Page Last Updated: May 05, 2017