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Gentoo Linux Security Advisory                           GLSA 200609-14
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: ImageMagick: Multiple Vulnerabilities
      Date: September 26, 2006
      Bugs: #144091, #143533
        ID: 200609-14

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Synopsis
========

Multiple buffer overflows have been discovered in ImageMagick, which
could potentially result in the execution of arbitrary code.

Background
==========

ImageMagick is a free software suite to manipulate, convert, and create
many image formats.

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

    -------------------------------------------------------------------
     Package                /  Vulnerable  /                Unaffected
    -------------------------------------------------------------------
  1  media-gfx/imagemagick      < 6.2.9.5                   >= 6.2.9.5

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

Tavis Ormandy of the Google Security Team discovered a stack and heap
buffer overflow in the GIMP XCF Image decoder and multiple heap and
integer overflows in the SUN bitmap decoder. Damian Put discovered a
heap overflow in the SGI image decoder.

Impact
======

An attacker may be able to create a specially crafted image that, when
processed with ImageMagick, executes arbitrary code with the privileges
of the executing user.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All ImageMagick users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=media-gfx/imagemagick-6.2.9.5"

References
==========

  [ 1 ] CVE-2006-3743
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3743
  [ 2 ] CVE-2006-3744
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3744
  [ 3 ] CVE-2006-4144
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4144

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

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

  http://security.gentoo.org/glsa/glsa-200609-14.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 2006 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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