full-disclosure - [ GLSA 200411-11 ] ImageMagick: EXIF buffer overflow

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From: jaervosz at gentoo.org (Sune Kloppenborg Jeppesen)
Subject: [ GLSA 200411-11 ] ImageMagick: EXIF buffer overflow

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Gentoo Linux Security Advisory                        GLSA 200411-11:01
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: ImageMagick: EXIF buffer overflow
      Date: November 06, 2004
      Bugs: #69825
        ID: 200411-11:01

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Synopsis
========

ImageMagick contains an error in boundary checks when handling EXIF
information, which could lead to arbitrary code execution.

Background
==========

ImageMagick is a collection of tools to read, write and manipulate
images in many formats.

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

    -------------------------------------------------------------------
     Package                /  Vulnerable  /                Unaffected
    -------------------------------------------------------------------
  1  media-gfx/imagemagick      < 6.1.3.2                   >= 6.1.3.2

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

ImageMagick fails to do proper bounds checking when handling image
files with EXIF information.

Impact
======

An attacker could use an image file with specially-crafted EXIF
information to cause arbitrary code execution with the permissions of
the user running ImageMagick.

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-6.1.3.2"

References
==========

  [ 1 ] CAN-2004-0981
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0981
  [ 2 ] ImageMagick ChangeLog
        http://www.imagemagick.org/www/Changelog.html
  [ 3 ] SA 12995
        http://secunia.com/advisories/12995/

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

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

  http://security.gentoo.org/glsa/glsa-200411-11.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 2004 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/1.0
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