CWE

Common Weakness Enumeration

A Community-Developed List of Software Weakness Types

CWE/SANS Top 25 Most Dangerous Software Errors
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ID

CWE-71: Apple '.DS_Store'

Weakness ID: 71
Abstraction: Variant
Status: Incomplete
Presentation Filter:
+ Description

Description Summary

Software operating in a MAC OS environment, where .DS_Store is in effect, must carefully manage hard links, otherwise an attacker may be able to leverage a hard link from .DS_Store to overwrite arbitrary files and gain privileges.
+ Time of Introduction
  • Architecture and Design
  • Implementation
  • Operation
+ Applicable Platforms

Languages

All

+ Common Consequences
ScopeEffect
Confidentiality
Integrity

Technical Impact: Read files or directories; Modify files or directories

+ Observed Examples
ReferenceDescription
More security problems in Apache on Mac OS X
The Finder in Mac OS X and earlier allows local users to overwrite arbitrary files and gain privileges by creating a hard link from the .DS_Store file to an arbitrary file.
+ Relationships
NatureTypeIDNameView(s) this relationship pertains toView(s)
ChildOfWeakness BaseWeakness Base66Improper Handling of File Names that Identify Virtual Resources
Research Concepts (primary)1000
ChildOfCategoryCategory70Mac Virtual File Problems
Resource-specific Weaknesses (primary)631
Development Concepts (primary)699
ChildOfCategoryCategory980SFP Secondary Cluster: Link in Resource Name Resolution
Software Fault Pattern (SFP) Clusters (primary)888
PeerOfWeakness VariantWeakness Variant62UNIX Hard Link
Research Concepts1000
+ Research Gaps

Under-studied

+ Taxonomy Mappings
Mapped Taxonomy NameNode IDFitMapped Node Name
PLOVERDS - Apple '.DS_Store
+ Maintenance Notes

This entry, which originated from PLOVER, probably stems from a common manipulation that is used to exploit symlink and hard link following weaknesses, like /etc/passwd is often used for UNIX-based exploits. As such, it is probably too low-level for inclusion in CWE.

+ Content History
Submissions
Submission DateSubmitterOrganizationSource
PLOVERExternally Mined
Modifications
Modification DateModifierOrganizationSource
2008-07-01Eric DalciCigitalExternal
updated Time_of_Introduction
2008-09-08CWE Content TeamMITREInternal
updated Relationships, Taxonomy_Mappings
2008-10-14CWE Content TeamMITREInternal
updated Maintenance_Notes
2009-03-10CWE Content TeamMITREInternal
updated Related_Attack_Patterns
2011-06-01CWE Content TeamMITREInternal
updated Common_Consequences
2012-05-11CWE Content TeamMITREInternal
updated Related_Attack_Patterns, Relationships
2014-07-30CWE Content TeamMITREInternal
updated Relationships

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Page Last Updated: January 18, 2017