[UNIX] XMMS Integer Overflow and Underflow Vulnerabilities



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XMMS Integer Overflow and Underflow Vulnerabilities
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SUMMARY

<http://www.xmms.org> XMMS is "a multimedia player for unix systems. XMMS
stands for X MultiMedia System and can play media files such as MP3,
MOD's, WAV and others with the use of Input plugins". Secunia Research has
discovered two vulnerabilities in XMMS, which can be exploited by
malicious people to compromise a user's system.

DETAILS

Vulnerable Systems:
* xmms version 1.2.10 (Linux)

1) An integer underflow error exists in the processing of skin bitmap
images. This can be exploited to cause a stack-based buffer overflow via
specially crafted skin images containing manipulated header information.

Successful exploitation allows execution of arbitrary code.

CVE Information:
<http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-0653>
CVE-2007-0653

2) An integer overflow error exists in the processing of skin bitmap
images. This can be exploited to cause memory corruption via specially
crafted skin images containing manipulated header information.

Successful exploitation may allow the execution of arbitrary code.

CVE Information:
<http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-0653>
CVE-2007-0653

Solution:
Do not install skins from untrusted sources.

Time Table:
06/02/2007 - Vendor notified (Red Hat and the vendor-sec list).
06/02/2007 - Vendor response.
21/03/2007 - Public disclosure.


ADDITIONAL INFORMATION

The information has been provided by Sven Krewitt, Secunia Research.
The original article can be found at:
<http://secunia.com/secunia_research/2007-47/>
http://secunia.com/secunia_research/2007-47/



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