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Difference between revisions of "Code Correctness: null Argument to equals()"
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{{Template:Fortify}} | {{Template:Fortify}} | ||
− | + | Last revision (mm/dd/yy): '''{{REVISIONMONTH}}/{{REVISIONDAY}}/{{REVISIONYEAR}}''' | |
+ | |||
+ | [[ASDR_TOC_Vulnerabilities|Vulnerabilities Table of Contents]] | ||
+ | |||
+ | [[ASDR Table of Contents]] | ||
+ | __TOC__ | ||
− | |||
==Description== | ==Description== | ||
+ | The expression obj.equals(null) should always be false. | ||
The program uses the equals() method to compare an object with null. The contract of the equals() method requires this comparison to always return false[1]. | The program uses the equals() method to compare an object with null. The contract of the equals() method requires this comparison to always return false[1]. | ||
+ | |||
+ | ==Risk Factors== | ||
+ | TBD | ||
==Examples == | ==Examples == | ||
+ | TBD | ||
+ | |||
+ | ==Related [[Attacks]]== | ||
+ | |||
+ | * [[Attack 1]] | ||
+ | * [[Attack 2]] | ||
+ | |||
+ | |||
+ | ==Related [[Vulnerabilities]]== | ||
+ | |||
+ | * [[Vulnerability 1]] | ||
+ | * [[Vulnerabiltiy 2]] | ||
+ | |||
+ | |||
+ | ==Related [[Controls]]== | ||
+ | |||
+ | * [[Control 1]] | ||
+ | * [[Control 2]] | ||
+ | |||
+ | |||
+ | ==Related [[Technical Impacts]]== | ||
+ | |||
+ | * [[Technical Impact 1]] | ||
+ | * [[Technical Impact 2]] | ||
+ | |||
+ | |||
+ | ==References== | ||
+ | * Sun JavaDoc for Object. http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Object.html#equals(java.lang.Object) | ||
+ | |||
+ | [[Category:FIXME|add links | ||
+ | |||
+ | In addition, one should classify vulnerability based on the following subcategories: Ex:<nowiki>[[Category:Error Handling Vulnerability]]</nowiki> | ||
+ | |||
+ | Availability Vulnerability | ||
+ | |||
+ | Authorization Vulnerability | ||
+ | |||
+ | Authentication Vulnerability | ||
+ | |||
+ | Concurrency Vulnerability | ||
− | + | Configuration Vulnerability | |
− | + | Cryptographic Vulnerability | |
− | + | Encoding Vulnerability | |
− | + | Error Handling Vulnerability | |
− | + | Input Validation Vulnerability | |
− | + | Logging and Auditing Vulnerability | |
− | + | Session Management Vulnerability]] | |
+ | __NOTOC__ | ||
+ | |||
+ | |||
+ | [[Category:OWASP ASDR Project]] | ||
[[Category:Code Quality Vulnerability]] | [[Category:Code Quality Vulnerability]] | ||
− | |||
[[Category:Implementation]] | [[Category:Implementation]] | ||
− | |||
[[Category:Java]] | [[Category:Java]] |
Revision as of 11:54, 23 September 2008
This is a Vulnerability. To view all vulnerabilities, please see the Vulnerability Category page.
Last revision (mm/dd/yy): 09/23/2008
Vulnerabilities Table of Contents
Description
The expression obj.equals(null) should always be false.
The program uses the equals() method to compare an object with null. The contract of the equals() method requires this comparison to always return false[1].
Risk Factors
TBD
Examples
TBD
Related Attacks
Related Vulnerabilities
Related Controls
Related Technical Impacts
References
- Sun JavaDoc for Object. http://java.sun.com/j2se/1.4.2/docs/api/java/lang/Object.html#equals(java.lang.Object)