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: Erroneous finalize() Method"

From OWASP
Jump to: navigation, search
(Reverting to last version not containing links to www.textpasricletoli.com)
 
(15 intermediate revisions by 4 users not shown)
Line 1: Line 1:
{{Template:Fortify}}
+
{{template:CandidateForDeletion}}
  
{{Template:Vulnerability}}
+
#REDIRECT [[Failure to follow guideline/specification]]
  
==Abstract==
 
  
This finalize() method does not call super.finalize().
+
 
 +
 
 +
Last revision (mm/dd/yy): '''{{REVISIONMONTH}}/{{REVISIONDAY}}/{{REVISIONYEAR}}'''
 +
 
  
 
==Description==
 
==Description==
 +
 +
This finalize() method does not call super.finalize().
  
 
The Java Language Specification states that it is a good practice for a finalize() method to call super.finalize().[1]
 
The Java Language Specification states that it is a good practice for a finalize() method to call super.finalize().[1]
 +
<br>The statement above is not completely correct. The Java Language Specification 3.0 section 12.6.1 states: "This should
 +
always be done, <b>unless it is the programmer's intent to nullify the actions of the finalizer in the superclass.</b>"
 +
 +
==Risk Factors==
 +
TBD
  
 
==Examples ==
 
==Examples ==
Line 15: Line 24:
 
The following method omits the call to super.finalize().
 
The following method omits the call to super.finalize().
  
protected void finalize() {
+
  protected void finalize() {
  discardNative();
+
                discardNative();
}
+
  }
  
==References==
+
==Related [[Attacks]]==
 +
* [[Attack 1]]
 +
* [[Attack 2]]
 +
 
 +
 
 +
==Related [[Vulnerabilities]]==
 +
* [[Vulnerability 1]]
 +
* [[Vulnerabiltiy 2]]
  
[1] J. Gosling, B. Joy, G. Steele, G. Bracha. The Java Language Specification, Second Edition. Addison-Wesley, 2000.
 
  
[[Category:API Abuse]]
+
==Related [[Controls]]==
 +
* [[Control 1]]
 +
* [[Control 2]]
  
[[Category:Java]]
+
==Related [[Technical Impacts]]==
 +
* [[Technical Impact 1]]
 +
* [[Technical Impact 2]]
  
[[Category:Implementation]]
 
  
[[Category:Code Snippet]]
+
==References==
 +
* [1] J. Gosling, B. Joy, G. Steele, G. Bracha. The Java Language Specification, Second Edition. Addison-Wesley, 2000.

Latest revision as of 18:27, 27 May 2009

Template:CandidateForDeletion

#REDIRECT Failure to follow guideline/specification



Last revision (mm/dd/yy): 05/27/2009


Description

This finalize() method does not call super.finalize().

The Java Language Specification states that it is a good practice for a finalize() method to call super.finalize().[1]
The statement above is not completely correct. The Java Language Specification 3.0 section 12.6.1 states: "This should always be done, unless it is the programmer's intent to nullify the actions of the finalizer in the superclass."

Risk Factors

TBD

Examples

The following method omits the call to super.finalize().

 protected void finalize() {
                discardNative();
 }

Related Attacks


Related Vulnerabilities


Related Controls

Related Technical Impacts


References

  • [1] J. Gosling, B. Joy, G. Steele, G. Bracha. The Java Language Specification, Second Edition. Addison-Wesley, 2000.