From: Secunia Security Advisories (sec-advsecunia.com)
Date: Thu Nov 20 2008 - 16:47:04 CST

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TITLE:
imlib2 XPM Processing Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA32796

VERIFY ADVISORY:
http://secunia.com/advisories/32796/

CRITICAL:
Highly critical

IMPACT:
DoS, System access

WHERE:
From remote

SOFTWARE:
imlib2 1.x
http://secunia.com/advisories/product/3880/

DESCRIPTION:
A vulnerability has been discovered in imlib2, which can be exploited
by malicious people to potentially compromise an application using the
library.

The vulnerability is caused due to a pointer arithmetic error within
the "load()" function provided by the XPM loader. This can be
exploited to cause a heap-based buffer overflow via a specially
crafted XPM file.

Successful exploitation may allow execution of arbitrary code.

The vulnerability is confirmed in version 1.4.2. Other versions may
also be affected.

SOLUTION:
Do not process untrusted XPM files.

PROVIDED AND/OR DISCOVERED BY:
Reported by Julien Danjou in a Debian bug report.

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