bugtraq - Secunia Research: Winamp NSV Table of Contents Parsing Integer Overflow

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Message-Id: <201012011516.oB1FGoG0013464@CA-IX-1.intnet>
Date: Wed, 1 Dec 2010 16:16:50 +0100
From: Secunia Research <remove-vuln@...unia.com>
To: bugtraq@...urityfocus.com
Subject: Secunia Research: Winamp NSV Table of Contents Parsing Integer Overflow

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

                     Secunia Research 30/11/2010

       - Winamp NSV Table of Contents Parsing Integer Overflow -

====================================================================== 
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 5.581
* Winamp 5.59 Beta Build 3033

NOTE: Other versions may also be affected.

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

Rating: Highly critical
Impact: System compromise
Where:  Remote

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

"It is more than just a player. It's your window to the multimedia
world. From MP3s to streaming video, Winamp is the one place you go to
feed your audio/video habit.".

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 by an integer overflow error in the
"in_nsv.dll" plugin when parsing the Table of Contents. This can be
exploited to cause a heap-based buffer overflow via a specially 
crafted NSV stream or file.

Successful exploitation allows execution of arbitrary code.

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

Update to version 5.6.

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

01/11/2010 - Vendor notified.
01/11/2010 - Vendor response.
30/11/2010 - Public disclosure.

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

Discovered by Carsten Eiram, Secunia Research.

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

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2010-2586 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/2010-127/

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

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