Imlib2: User-assisted execution of arbitrary code

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200812-23 / imlib2
Release Date	December 23, 2008
Latest Revision	December 23, 2008: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
media-libs/imlib2	< 1.4.2-r1	>= 1.4.2-r1	All supported architectures

Related bugreports: #248057

Synopsis

A buffer overflow vulnerability has been discovered in Imlib2.

2. Impact Information

Background

Imlib2 is replacement library from the Enlightenment project for libraries like libXpm.

Description

Julien Danjou reported a pointer arithmetic error and a heap-based buffer overflow within the load() function of the XPM image loader.

Impact

A remote attacker could entice a user to process a specially crafted XPM image, possibly resulting in the remote execution of arbitrary code with the privileges of the user running the application, or a Denial of Service.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All Imlib2 users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/imlib2-1.4.2-r1"

4. References

CVE-2008-5187

Page updated December 23, 2008

Summary: This is a Gentoo Linux Security Advisory

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