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Winamp Player FLV Data Processing Multiple Overflows

Winamp Player FLV Data Processing Multiple Overflows
Posted Jul 14, 2010
Authored by Nicolas Joly | Site vupen.com

VUPEN Vulnerability Research Team discovered multiple vulnerabilities in Winamp. These issues are caused by integer and buffer overflow errors within the "vp6.w5s" component when parsing malformed Flash Video data, which could allow attackers to execute arbitrary code by tricking a user into opening a specially crafted FLV file. Versions 5.572 and below are affected.

tags | advisory, overflow, arbitrary, vulnerability
MD5 | bfc3b6b9b10b981e637d2bcccbcc64b2

Winamp Player FLV Data Processing Multiple Overflows

Change Mirror Download
VUPEN Security Research - Winamp Player FLV Data Processing Multiple 
Overflow Vulnerabilities

http://www.vupen.com/english/research.php


I. BACKGROUND
---------------------

"Winamp is a proprietary media player for Windows-based PCs, written by
Nullsoft, now a subsidiary of AOL. It is freeware/shareware, multi-format,
extensible with plug-ins and skins, and is noted for its graphical
sound visualization, playlist, and media library features." Wikipedia


II. DESCRIPTION
---------------------

VUPEN Vulnerability Research Team discovered multiple vulnerabilities in
Winamp.

These issues are caused by integer and buffer overflow errors within the
"vp6.w5s" component when parsing malformed Flash Video data, which could
allow attackers to execute arbitrary code by tricking a user into opening
a specially crafted FLV file.


III. AFFECTED PRODUCTS
---------------------------

Winamp version 5.572 and prior


IV. Binary Analysis & Proof-of-concept
---------------------------------------

In-depth binary analysis of the vulnerabilities and proof-of-concept codes
are available through the VUPEN Binary Analysis & Exploits Service :

http://www.vupen.com/english/services/ba-index.php


V. SOLUTION
----------------

Upgrade to Winamp version 5.58.


VI. CREDIT
--------------

These vulnerabilities were discovered by Nicolas Joly of VUPEN Security


VII. ABOUT VUPEN Security
---------------------------

VUPEN is a leading IT security research company providing vulnerability
management and security intelligence solutions which enable enterprises
and institutions to eliminate vulnerabilities before they can be exploited,
ensure security policy compliance and meaningfully measure and manage risks.

Governmental and federal agencies, and global enterprises in the financial
services, insurance, manufacturing and technology industries rely on VUPEN
to improve their security, prioritize resources, cut time and costs, and
stay ahead of the latest threats.

* VUPEN Vulnerability Notification Service (VNS) :
http://www.vupen.com/english/services/vns-index.php

* VUPEN Binary Analysis & Exploits Service (BAE) :
http://www.vupen.com/english/services/ba-index.php

* VUPEN Threat Protection Program for Govs (TPP) :
http://www.vupen.com/english/services/tpp-index.php

* VUPEN Web Application Security Scanner (WASS) :
http://www.vupen.com/english/services/wass-index.php


VIII. REFERENCES
----------------------

http://www.vupen.com/english/advisories/2010/1798
http://www.winamp.com/help/Version_History#Winamp_5.58


IX. DISCLOSURE TIMELINE
-----------------------------

2010-03-01 - Vendor notified
2010-03-02 - Vendor response
2010-03-24 - Status update received
2010-05-26 - Status update received
2010-07-13 - Coordinated public Disclosure

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