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Gentoo Linux Security Advisory GLSA 200501-26
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http://security.gentoo.org/
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Severity: Normal
Title: ImageMagick: PSD decoding heap overflow
Date: January 20, 2005
Bugs: #77932
ID: 200501-26
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Synopsis
========
ImageMagick is vulnerable to a heap overflow when decoding Photoshop
Document (PSD) files, 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
=================
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Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 media-gfx/imagemagick < 6.1.8.8 >= 6.1.8.8
Description
===========
Andrei Nigmatulin discovered that a Photoshop Document (PSD) file with
more than 24 layers could trigger a heap overflow.
Impact
======
An attacker could potentially design a mailicous PSD image file 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-6.1.8.8"
References
==========
[ 1 ] CAN-2005-0005
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0005
[ 2 ] iDEFENSE Advisory
http://www.idefense.com/application/poi/display?id=184&type=vulnerabilities
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200501-26.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@xxxxxxxxxx or alternatively, you may file a bug at
http://bugs.gentoo.org.
License
=======
Copyright 2005 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/2.0
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