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Gentoo Linux Security Advisory                           GLSA 200806-03
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Imlib 2: User-assisted execution of arbitrary code
      Date: June 08, 2008
      Bugs: #223965
        ID: 200806-03

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Synopsis
========

Two vulnerabilities in Imlib 2 may allow for the execution of arbitrary
code.

Background
==========

Imlib 2 is an advanced replacement library for libraries like libXpm.

Affected packages
=================

    -------------------------------------------------------------------
     Package            /  Vulnerable  /                    Unaffected
    -------------------------------------------------------------------
  1  media-libs/imlib2     < 1.4.0-r1                      >= 1.4.0-r1

Description
===========

Stefan Cornelius (Secunia Research) reported two boundary errors in
Imlib2:

* One of them within the load() function in the file
  src/modules/loaders/loader_pnm.c when processing the header of a PNM
  image file, possibly leading to a stack-based buffer overflow.

* The second one within the load() function in the file
  src/modules/loader_xpm.c when processing an XPM image file, possibly
  leading to a stack-based buffer overflow.

Impact
======

A remote attacker could entice a user to open a specially crafted PNM
or XPM image, possibly resulting in the execution of arbitrary code
with the rights of the user running the application using Imlib 2.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Imlib 2 users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=media-libs/imlib2-1.4.0-r1"

References
==========

  [ 1 ] CVE-2008-2426
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2426

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

  http://security.gentoo.org/glsa/glsa-200806-03.xml

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2008 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5