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-45: Path Equivalence: 'file...name' (Multiple Internal Dot)

Weakness ID: 45
Abstraction: Variant
Status: Incomplete
Presentation Filter:
+ Description

Description Summary

A software system that accepts path input in the form of multiple internal dot ('file...dir') without appropriate validation can lead to ambiguous path resolution and allow an attacker to traverse the file system to unintended locations or access arbitrary files.
+ Time of Introduction
  • Implementation
+ Applicable Platforms

Languages

All

+ Common Consequences
ScopeEffect
Confidentiality
Integrity

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

+ Relationships
NatureTypeIDNameView(s) this relationship pertains toView(s)
ChildOfWeakness VariantWeakness Variant44Path Equivalence: 'file.name' (Internal Dot)
Development Concepts (primary)699
Research Concepts (primary)1000
ChildOfWeakness VariantWeakness Variant165Improper Neutralization of Multiple Internal Special Elements
Research Concepts1000
ChildOfCategoryCategory981SFP Secondary Cluster: Path Traversal
Software Fault Pattern (SFP) Clusters (primary)888
+ Relationship Notes

An improper attempt to remove the internal dots from the string could lead to CWE-181 (Incorrect Behavior Order: Validate Before Filter).

+ Taxonomy Mappings
Mapped Taxonomy NameNode IDFitMapped Node Name
PLOVERMultiple Internal Dot - 'file...dir'
Software Fault PatternsSFP16Path Traversal
+ 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, Other_Notes, Taxonomy_Mappings
2009-05-27CWE Content TeamMITREInternal
updated Relationships
2011-06-01CWE Content TeamMITREInternal
updated Common_Consequences
2012-05-11CWE Content TeamMITREInternal
updated Relationships
2012-10-30CWE Content TeamMITREInternal
updated Potential_Mitigations
2014-06-23CWE Content TeamMITREInternal
updated Other_Notes, Relationship_Notes
2014-07-30CWE Content TeamMITREInternal
updated Relationships, Taxonomy_Mappings
Previous Entry Names
Change DatePrevious Entry Name
2008-04-11Path Issue - Multiple Internal Dot - 'file...dir'

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Page Last Updated: May 05, 2017