CWE-1109
Use of Same Variable for Multiple Purposes
Incomplete
2019-01-03
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2025-12-11
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Benachrichtigungen für ein CWE
Bleiben Sie über alle Änderungen zu einem bestimmten CWE informiert.
Name: Use of Same Variable for Multiple Purposes
The code contains a callable, block, or other code element in
which the same variable is used to control more than one unique task or store
more than one instance of data.
Allgemeine Informationen
Einführungsmodi
ImplementationAnwendbare Plattformen
Sprache
Class: Not Language-Specific (Undetermined)Häufige Konsequenzen
| Bereich | Auswirkung | Wahrscheinlichkeit |
|---|---|---|
| Other | Reduce Maintainability Note: This issue makes it more difficult to maintain the product, which indirectly affects security by making it more difficult or time-consuming to find and/or fix vulnerabilities. It also might make it easier to introduce vulnerabilities. | |
| Other | Increase Analytical Complexity Note: Use of the same variable for multiple purposes can make it more difficult for a person to read or understand the code, potentially hiding other quality issues. |
Beobachtete Beispiele
| Referenzen | Beschreibung |
|---|---|
CVE-2023-26463 | Chain: IPSec VPN product uses the same variable for multiple purposes in the same function (CWE-1109), leading to incorrect access control (CWE-284) and expired pointer dereference (CWE-825) |
Hinweise zur Schwachstellen-Zuordnung
Begründung : This entry is primarily a quality issue with no direct security implications.Kommentar : Look for weaknesses that are focused specifically on insecure behaviors that have more direct security implications.
Referenzen
REF-963
Providing a Framework for Effective Software Quality AssessmentRobert A. Martin, Lawrence H. Shafer.
https://www.researchgate.net/publication/285403022_PROVIDING_A_FRAMEWORK_FOR_EFFECTIVE_SOFTWARE_QUALITY_MEASUREMENT_MAKING_A_SCIENCE_OF_RISK_ASSESSMENT
Einreichung
| Name | Organisation | Datum | Veröffentlichungsdatum | Version |
|---|---|---|---|---|
| CWE Content Team | MITRE | 3.2 |
Änderungen
| Name | Organisation | Datum | Kommentar |
|---|---|---|---|
| CWE Content Team | MITRE | updated Relationships | |
| CWE Content Team | MITRE | updated Description | |
| CWE Content Team | MITRE | updated Relationships | |
| CWE Content Team | MITRE | updated Mapping_Notes | |
| CWE Content Team | MITRE | updated Mapping_Notes | |
| CWE Content Team | MITRE | updated Applicable_Platforms, Common_Consequences, Description, Observed_Examples, Time_of_Introduction |
