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Difference between revisions of "Code Correctness: Erroneous finalize() Method"

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(Description)
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{{Template:Vulnerability}}
 
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==Abstract==
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[[ASDR_TOC_Vulnerabilities|Vulnerabilities Table of Contents]]
  
This finalize() method does not call super.finalize().
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[[ASDR Table of Contents]]
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__TOC__
  
 
==Description==
 
==Description==
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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
 
<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>"
 
always be done, <b>unless it is the programmer's intent to nullify the actions of the finalizer in the superclass.</b>"
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==Risk Factors==
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TBD
  
 
==Examples ==
 
==Examples ==
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   }
 
   }
  
==Related Threats==
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==Related [[Attacks]]==
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* [[Attack 1]]
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* [[Attack 2]]
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==Related [[Vulnerabilities]]==
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* [[Vulnerability 1]]
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* [[Vulnerabiltiy 2]]
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Note: the contents of "Related Problems" sections should be placed here
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==Related [[Controls]]==
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* [[Control 1]]
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* [[Control 2]]
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Note: contents of "Avoidance and Mitigation" and "Countermeasure" related Sections should be placed here
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==Related Attacks==
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==Related [[Technical Impacts]]==
  
==Related Vulnerabilities==
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* [[Technical Impact 1]]
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* [[Technical Impact 2]]
  
==Related Countermeasures==
 
  
 
==References==
 
==References==
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* [1] J. Gosling, B. Joy, G. Steele, G. Bracha. The Java Language Specification, Second Edition. Addison-Wesley, 2000.
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[[Category:FIXME|add links
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In addition, one should classify vulnerability based on the following subcategories: Ex:<nowiki>[[Category:Error Handling Vulnerability]]</nowiki>
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Availability Vulnerability
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Authorization Vulnerability
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Authentication Vulnerability
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Concurrency Vulnerability
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Configuration Vulnerability
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Cryptographic Vulnerability
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Encoding Vulnerability
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Error Handling Vulnerability
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Input Validation Vulnerability
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Logging and Auditing Vulnerability
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Session Management Vulnerability]]
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__NOTOC__
  
[1] J. Gosling, B. Joy, G. Steele, G. Bracha. The Java Language Specification, Second Edition. Addison-Wesley, 2000.
 
  
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[[Category:OWASP ASDR Project]]
 
[[Category:Java]]
 
[[Category:Java]]
 
 
[[Category:Implementation]]
 
[[Category:Implementation]]
 
 
[[Category:Code Snippet]]
 
[[Category:Code Snippet]]
 
 
[[Category:API Abuse]]
 
[[Category:API Abuse]]

Revision as of 11:06, 23 September 2008

This is a Vulnerability. To view all vulnerabilities, please see the Vulnerability Category page.

This article includes content generously donated to OWASP by MicroFocus Logo.png

Last revision (mm/dd/yy): 09/23/2008

Vulnerabilities Table of Contents

ASDR Table of Contents

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

Note: the contents of "Related Problems" sections should be placed here


Related Controls

Note: contents of "Avoidance and Mitigation" and "Countermeasure" related Sections should be placed here


Related Technical Impacts


References

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