This site is the archived OWASP Foundation Wiki and is no longer accepting Account Requests.
To view the new OWASP Foundation website, please visit https://owasp.org
Difference between revisions of "Code Correctness: null Argument to equals()"
From OWASP
Weilin Zhong (talk | contribs) |
|||
| (4 intermediate revisions by the same user not shown) | |||
| Line 1: | Line 1: | ||
| − | {{ | + | {{template:CandidateForDeletion}} |
| − | |||
| − | + | #REDIRECT [[Failure to follow guideline/specification]] | |
| + | |||
| + | |||
| + | |||
| + | Last revision (mm/dd/yy): '''{{REVISIONMONTH}}/{{REVISIONDAY}}/{{REVISIONYEAR}}''' | ||
| − | |||
==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 | + | ==Related [[Vulnerabilities]]== |
| − | + | * [[Vulnerability 1]] | |
| + | * [[Vulnerabiltiy 2]] | ||
| − | |||
| − | ==Related | + | ==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) | ||
Latest revision as of 23:26, 7 April 2009
#REDIRECT Failure to follow guideline/specification
Last revision (mm/dd/yy): 04/7/2009
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)
