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-439: Behavioral Change in New Version or Environment

Weakness ID: 439
Abstraction: Base
Status: Draft
Presentation Filter:
+ Description

Description Summary

A's behavior or functionality changes with a new version of A, or a new environment, which is not known (or manageable) by B.
+ Alternate Terms
Functional change
+ Time of Introduction
  • Architecture and Design
  • Implementation
+ Applicable Platforms

Languages

All

+ Common Consequences
ScopeEffect
Other

Technical Impact: Quality degradation; Varies by context

+ Observed Examples
ReferenceDescription
Linux kernel 2.2 and above allow promiscuous mode using a different method than previous versions, and ifconfig is not aware of the new method (alternate path property).
Product uses defunct method from another product that does not return an error code and allows detection avoidance.
chain: Code was ported from a case-sensitive Unix platform to a case-insensitive Windows platform where filetype handlers treat .jsp and .JSP as different extensions. JSP source code may be read because .JSP defaults to the filetype "text".
+ Relationships
NatureTypeIDNameView(s) this relationship pertains toView(s)
ChildOfWeakness ClassWeakness Class435Interaction Error
Research Concepts (primary)1000
ChildOfCategoryCategory438Behavioral Problems
Development Concepts (primary)699
ChildOfCategoryCategory1001SFP Secondary Cluster: Use of an Improper API
Software Fault Pattern (SFP) Clusters (primary)888
+ Taxonomy Mappings
Mapped Taxonomy NameNode IDFitMapped Node Name
PLOVERCHANGE Behavioral Change
+ 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, Observed_Example, Taxonomy_Mappings
2008-11-24CWE Content TeamMITREInternal
updated Observed_Examples
2011-06-01CWE Content TeamMITREInternal
updated Common_Consequences
2011-06-27CWE Content TeamMITREInternal
updated Common_Consequences
2012-05-11CWE Content TeamMITREInternal
updated Relationships
2014-07-30CWE Content TeamMITREInternal
updated Relationships
Previous Entry Names
Change DatePrevious Entry Name
2008-04-11Behavioral Change

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Page Last Updated: May 05, 2017