Technical Description

Multiple vulnerabilities have been identified in Winamp, which could be exploited by remote attackers to take complete control of the affected system.

The first flaw is due to a buffer overflow error when processing a specially crafted playlist containing an overly long media filename, which could be exploited by remote attackers to compromise a vulnerable system via a specially crafted playlist.

The second issue is due to a buffer overflow error when processing a playlist (.m3u) with an overly long filename, which could be exploited by remote attackers to execute arbitrary commands and take complete control of an affected system via a specially crafted web page.

The third vulnerability is due to a buffer overflow error when handling a specially crafted ".m3u" playlist and playing is paused or stopped, which could be exploited by attackers to compromise a vulnerable system.

Affected Products

Nullsoft Winamp version 5.13 and prior

Solution

Upgrade to Winamp version 5.2 :
http://www.winamp.com/player

References

http://www.vupen.com/english/advisories/2006/0613
http://www.frsirt.com/english/reference/5829
http://www.frsirt.com/english/reference/5976
http://www.frsirt.com/english/reference/6405

Credits

Vulnerabilities reported by Alan McCaig, Sowhat and Liu Yexin.

ChangeLog

2006-02-15 : Initial release
2006-02-16 : Updated Credits
2006-02-22 : Updated Solution

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