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Secunia Research 27/10/2010
- Winamp VP6 Content Parsing Buffer Overflow Vulnerability -
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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
* Winamp 5.581
NOTE: Other versions may also be affected.
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2) Severity
Rating: Highly critical
Impact: System compromise
Where: Remote
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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/
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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.
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5) Solution
Fixed in version 5.59 Beta Build 3033.
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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.
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7) Credits
Discovered by Carsten Eiram, Secunia Research.
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8) References
The Common Vulnerabilities and Exposures (CVE) project has assigned
CVE-2010-1523 for the vulnerability.
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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
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/
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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/
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