bugtraq - Secunia Research: Winamp VP6 Content Parsing Buffer Overflow Vulnerability

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Message-Id: <201010271345.o9RDjdVr009280@CA-IX-1.intnet>
Date: Wed, 27 Oct 2010 15:45:39 +0200
From: Secunia Research <remove-vuln@...unia.com>
To: bugtraq@...urityfocus.com
Subject: Secunia Research: Winamp VP6 Content Parsing Buffer Overflow Vulnerability

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

                     Secunia Research 27/10/2010

    - Winamp VP6 Content Parsing Buffer 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 5.581

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 potentially compromise a user's 
system.

The vulnerability is caused by an error in the VP6 codec (vp6.w5s) 
when parsing VP6 video content. This can be exploited to cause a 
heap-based buffer overflow via a specially crafted media file or 
stream.

Successful exploitation may allow execution of arbitrary code.

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

Fixed in version 5.59 Beta Build 3033.

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

20/07/2010 - Vendor notified.
23/07/2010 - Vendor notified (2nd attempt).
29/07/2010 - Vendor responds with proposed patch. Fixed version 
             expected to be released ultimo September 2010.
02/08/2010 - Secunia confirms that the patch properly fixes the 
             reported vulnerability. Vendor informed that coordinated 
             disclosure date is set to 30th September 2010.
27/09/2010 - Status update requested to confirm that the vendor is 
             on-track for the scheduled disclosure date.
29/09/2010 - Vendor asks for disclosure to be delayed until hearing 
             back from the development team.
12/10/2010 - Status update requested. Disclosure date now set to 20th 
             October 2010.
19/10/2010 - Vendor provides status update.
27/10/2010 - Secunia becomes aware that a beta was released, which 
             includes a changelog mentioning the security fix.
27/10/2010 - Public disclosure.

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

Discovered by Carsten Eiram, Secunia Research.

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

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2010-1523 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/2010-95/

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

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