bugtraq - [ GLSA 200611-19 ] ImageMagick: PALM and DCM buffer overflows

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Date: Fri, 24 Nov 2006 20:30:41 +0100
From: Sune Kloppenborg Jeppesen <jaervosz@...too.org>
To: gentoo-announce@...too.org
Cc: bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200611-19 ] ImageMagick: PALM and DCM buffer overflows

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Gentoo Linux Security Advisory                           GLSA 200611-19
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: ImageMagick: PALM and DCM buffer overflows
      Date: November 24, 2006
      Bugs: #152672
        ID: 200611-19

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Synopsis
========

ImageMagick improperly handles PALM and DCM images, potentially
resulting in the execution of arbitrary code.

Background
==========

ImageMagick is a software suite to create, edit, and compose bitmap
images, that can also read, write, and convert images in many other
formats.

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

    -------------------------------------------------------------------
     Package                /  Vulnerable  /                Unaffected
    -------------------------------------------------------------------
  1  media-gfx/imagemagick      < 6.3.0.5                   >= 6.3.0.5

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

M. Joonas Pihlaja has reported that a boundary error exists within the
ReadDCMImage() function of coders/dcm.c, causing the improper handling
of DCM images. Pihlaja also reported that there are several boundary
errors in the ReadPALMImage() function of coders/palm.c, similarly
causing the improper handling of PALM images.

Impact
======

An attacker could entice a user to open a specially crafted DCM or PALM
image with ImageMagick, and possibly execute arbitrary code with the
privileges 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-6.3.0.5"

References
==========

  [ 1 ] CVE-2006-5456
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-5456

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

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

  http://security.gentoo.org/glsa/glsa-200611-19.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 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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