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[ GLSA 200806-03 ] Imlib 2: User-assisted execution of arbitrary code
From: Tobias Heinlein <keytoaster () gentoo org>
Date: Sun, 08 Jun 2008 21:47:29 +0200

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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

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