full-disclosure - [ GLSA 201006-03 ] ImageMagick: User-assisted execution of arbitrary code

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Message-ID: <20100601173932.253cc99c@mail.a3li.li>
Date: Tue, 1 Jun 2010 17:39:32 +0200
From: Alex Legler <a3li@...too.org>
To: gentoo-announce@...too.org
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 201006-03 ] ImageMagick: User-assisted
 execution of arbitrary code

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Gentoo Linux Security Advisory                           GLSA 201006-03
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: ImageMagick: User-assisted execution of arbitrary code
      Date: June 01, 2010
      Bugs: #271502
        ID: 201006-03

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Synopsis
========

An integer overflow in ImageMagick might allow remote attackers to
cause the remote execution of arbitrary code.

Background
==========

ImageMagick is a collection of tools and libraries for manipulating
various image formats.

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

    -------------------------------------------------------------------
     Package                /  Vulnerable  /                Unaffected
    -------------------------------------------------------------------
  1  media-gfx/imagemagick      < 6.5.2.9                   >= 6.5.2.9

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

Tielei Wang has discovered that the XMakeImage() function in
magick/xwindow.c is prone to an integer overflow, possibly leading to a
buffer overflow.

Impact
======

A remote attacker could entice a user to open a specially crafted
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 ImageMagick users should upgrade to an unaffected version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=media-gfx/imagemagick-6.5.2.9"

NOTE: This is a legacy GLSA. Updates for all affected architectures are
available since June 4, 2009. It is likely that your system is already
no longer affected by this issue.

References
==========

  [ 1 ] CVE-2009-1882
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-1882

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

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

  http://security.gentoo.org/glsa/glsa-201006-03.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
https://bugs.gentoo.org.

License
=======

Copyright 2010 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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