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CWE-532: Information Leak Through Log Files

Individual Definition in a New Window
Information Leak Through Log Files
Status: Incomplete
Weakness ID: 532 (Weakness Variant)
Description
Summary

Information written to log files can be of a sensitive nature and give valuable guidance to an attacker.

Potential Mitigations

Consider seriously the sensitivity of the information written into log files. Do not write secrets into the log files.

Protect log files against unauthorized read/write.

Demonstrative Examples

In the following code snippet, a user's full name and credit card number are written to a log file.

Java Example:
logger.info("Username: " + usernme + ", CCN: " + ccn);
Relationships
NatureTypeIDNameView(s) this relationship pertains toView(s)
ChildOfWeakness BaseWeakness BaseWeakness Base538File and Directory Information Leaks
Development Concepts (primary)699
Research Concepts (primary)1000
ChildOfWeakness BaseWeakness BaseWeakness Base552Files or Directories Accessible to External Parties
Development Concepts699
Research Concepts1000
ParentOfWeakness VariantWeakness VariantWeakness Variant533Information Leak Through Server Log Files
Development Concepts (primary)699
Research Concepts (primary)1000
ParentOfWeakness VariantWeakness VariantWeakness Variant534Information Leak Through Debug Log Files
Development Concepts (primary)699
Research Concepts (primary)1000
ParentOfWeakness VariantWeakness VariantWeakness Variant542Information Leak Through Cleanup Log Files
Development Concepts (primary)699
Research Concepts (primary)1000
Taxonomy Mappings
Mapped Taxonomy Name
Anonymous Tool Vendor (under NDA)
Time of Introduction
* Architecture and Design
* Implementation
* Operation
Content History
Submissions
Anonymous Tool Vendor (under NDA). (Externally Mined)
Modifications
Sean Eidemiller. Cigital. 2008-07-01. (External)
added/updated demonstrative examples
Eric Dalci. Cigital. 2008-07-01. (External)
updated Potential_Mitigations, Time_of_Introduction
CWE Content Team. MITRE. 2008-09-08. (Internal)
updated Relationships, Taxonomy_Mappings
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Page Last Updated: November 24, 2008
 

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