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full-disclosure-uk: [Full-disclosure] [ GLSA 200705-13 ] ImageMa

[Full-disclosure] [ GLSA 200705-13 ] ImageMagick: Multiple buffer overflows

From: Sune Kloppenborg Jeppesen <jaervosz_at_nospam>
Date: Thu May 10 2007 - 18:49:45 GMT
To: gentoo-announce@gentoo.org

  • - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 200705-13
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Severity: Normal Title: ImageMagick: Multiple buffer overflows Date: May 10, 2007 Bugs: #159567, #173186 ID: 200705-13
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Synopsis


Multiple integer overflows have been discovered in ImageMagick allowing for the execution of arbitrary code.

Background


ImageMagick is a collection of tools allowing various manipulations on image files.

Affected packages



Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 media-gfx/imagemagick < 6.3.3 >= 6.3.3

Description


iDefense Labs has discovered multiple integer overflows in ImageMagick in the functions ReadDCMImage() and ReadXWDImage(), that are used to process DCM and XWD files.

Impact


An attacker could entice a user to open specially crafted XWD or DCM file, resulting in heap-based buffer overflows and possibly the execution of arbitrary code with the privileges of the user running ImageMagick. Note that this user may be httpd or any other account used by applications relying on the ImageMagick tools to automatically process images.

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-6.3.3"

References


  [ 1 ] CVE-2007-1797
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1797

Availability


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

  http://security.gentoo.org/glsa/glsa-200705-13.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 2007 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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