full-disclosure - [ GLSA 200812-23 ] Imlib2: User-assisted execution of arbitrary code

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Message-ID: <495168DA.4020105@gentoo.org>
Date: Tue, 23 Dec 2008 23:40:26 +0100
From: Pierre-Yves Rofes <py@...too.org>
To: gentoo-announce@...too.org
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200812-23 ] Imlib2: User-assisted
	execution of arbitrary code

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Gentoo Linux Security Advisory                           GLSA 200812-23
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                                              http://security.gentoo.org/
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    Severity: Normal
       Title: Imlib2: User-assisted execution of arbitrary code
        Date: December 23, 2008
        Bugs: #248057
          ID: 200812-23

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Synopsis
========

A buffer overflow vulnerability has been discovered in Imlib2.

Background
==========

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

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

      -------------------------------------------------------------------
       Package            /  Vulnerable  /                    Unaffected
      -------------------------------------------------------------------
    1  media-libs/imlib2     < 1.4.2-r1                      >= 1.4.2-r1

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.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Imlib2 users should upgrade to the latest version:

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

References
==========

    [ 1 ] CVE-2008-5187
          http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5187

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

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

    http://security.gentoo.org/glsa/glsa-200812-23.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@...too.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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