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Secunia Research: Winamp CAF Processing Integer Overflow Vulnerability
From: Secunia Research <remove-vuln () secunia com>
Date: Tue, 3 Mar 2009 13:08:45 +0100

====================================================================== 

                     Secunia Research 03/03/2009

       - Winamp CAF Processing Integer Overflow Vulnerability -

====================================================================== 
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

====================================================================== 
1) Affected Software 

* Winamp 5.541 and 5.55

NOTE: Other versions may also be affected.

====================================================================== 
2) Severity 

Rating: Highly critical 
Impact: System access
Where:  Remote

====================================================================== 
3) Vendor's Description of Software 

"... Winamp, The #1 Free Media Player. Play your MP3, AAC, MPEG, AVI 
files, and more. Get free MP3 songs, videos, skins and plug-ins. 
Synch your iPod or Creative Zen, and get mobile music with Winamp 
Remote."

Product Link:
http://www.winamp.com/

====================================================================== 
4) Description of Vulnerability

Secunia Research has discovered a vulnerability in Winamp, which can 
be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to an integer overflow error in the 
libsndfile.dll library while processing CAF description chunks. This 
can be exploited to cause a heap-based buffer overflow by tricking a
user into processing a specially crafted CAF audio file.

Successful exploitation may allow execution of arbitrary code.

====================================================================== 
5) Solution 

Do not open untrusted CAF files in Winamp.

====================================================================== 
6) Time Table 

20/02/2009 - Vendor notified.
21/02/2009 - Vendor response.
03/03/2009 - libsndfile upstream releases fixed version and details.
03/03/2009 - Public disclosure.

====================================================================== 
7) Credits 

Discovered by Alin Rad Pop, Secunia Research.

====================================================================== 
8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2009-0186 for the vulnerability.

====================================================================== 
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
database as a service to the security community and private 
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
to see currently vacant positions:

http://secunia.com/corporate/jobs/

Secunia offers a FREE mailing list called Secunia Security Advisories:

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

====================================================================== 
10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2009-8/

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

======================================================================

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