Winamp .m3u and .pls playlist .wma extension buffer overflow

winamp-wma-ext-bo (24417) The risk level is classified as HighHigh Risk

Description:

Winamp is vulnerable to a buffer overflow, caused by improper validation of .m3u and .pls files. By creating a malicious .pls or .m3u file containing a reference to a file with the .wma extension, a remote attacker could overflow a buffer and cause Winamp to crash or execute arbitrary code on the system, once a victim loads the malicious playlist. An attacker could exploit this vulnerability by hosting the malicious .pls or .m3u file on a Web page.

Platforms Affected:

  • Nullsoft, Winamp 5.094

Remedy:

Upgrade to the latest version of Winamp (5.13 or later), available from the Winamp Web page. See References.

Consequences:

Gain Access

References:

  • iDEFENSE Security Advisory 02.01.06, Winamp m3u/pls .WMA Extension Buffer Overflow Vulnerability at http://www.idefense.com/intelligence/vulnerabilities/display.php?id=378.
  • Winamp Web page, WINAMP at http://www.winamp.com/.
  • BID-16410: Nullsoft Winamp Malformed Playlist File Handling Remote Buffer Overflow Vulnerability
  • BID-16462: Nullsoft Winamp Malformed Playlist File WMA Extention Remote Buffer Overflow Vulnerability
  • CVE-2005-3188: Buffer overflow in Nullsoft Winamp 5.094 allows remote attackers to execute arbitrary code via (1) an m3u file containing a long line ending in .wma or (2) a pls file containing a long File1 value ending in .wma, a different vulnerability than CVE-2006-0476.
  • OSVDB ID: 22975: Winamp m3u/pls .wma Parsing Overflow
  • SECTRACK ID: 1015565: Winamp Error in Processing m3u/pls Files With `.wma` File Extension Lets Remote Users Deny Service
  • SECTRACK ID: 1015621: Winamp Buffer Overflow in Processing `.m3u` File Names May Let Remote Users Execute Arbitrary Code

Reported:

Feb 01, 2006

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