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                     Secunia Research 31/03/2010

   - Sun Java JDK/JRE Soundbank Resource Parsing Buffer Overflow -

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Table of Contents

Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10

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1) Affected Software 

* Sun Java JDK/JRE 1.6 Update 17

NOTE: Other versions may also be affected.

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2) Severity 

Rating: Highly critical
Impact: System access
Where:  From remote

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3) Vendor's Description of Software 

"Java Platform, Standard Edition (Java SE) lets you develop and deploy
Java applications on desktops and servers, as well as today's
demanding Embedded and Real-Time environments.".

Product Link:
http://java.sun.com/javase/

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4) Description of Vulnerability

Secunia Research has discovered a vulnerability in Sun Java JDK/JRE,
which can be exploited by malicious people to compromise a user's 
system.

The vulnerability is caused by a sign-extension error when parsing
the length of a resource in a Soundbank file and can be exploited to 
cause a heap-based buffer overflow.

Successful exploitation may allow execution of arbitrary code.

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5) Solution 

Update to a fixed version.

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6) Time Table 

11/11/2009 - Vendor notified.
12/11/2009 - Vendor response.
31/03/2010 - Public disclosure.

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7) Credits 

Discovered by Dyon Balding, Secunia Research.

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8) References

The Common Vulnerabilities and Exposures (CVE) project had originally 
assigned a CVE identifier for this vulnerability, but the vendor has 
apparently assigned a new one. It is currently unclear which one.

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9) About Secunia

Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:

http://secunia.com/advisories/business_solutions/

Secunia also provides a publicly accessible and comprehensive advisory
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individuals, who are interested in or concerned about IT-security.

http://secunia.com/advisories/

Secunia believes that it is important to support the community and to
do active vulnerability research in order to aid improving the 
security and reliability of software in general:

http://secunia.com/secunia_research/

Secunia regularly hires new skilled team members. Check the URL below
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http://secunia.com/corporate/jobs/

Secunia offers a FREE mailing list called Secunia Security Advisories:

http://secunia.com/advisories/mailing_lists/

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10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2009-50/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/

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