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[ GLSA 200501-09 ] xzgv: Multiple overflows
From: Thierry Carrez <koon () gentoo org>
Date: Thu, 06 Jan 2005 22:34:09 +0100

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Gentoo Linux Security Advisory                           GLSA 200501-09
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: xzgv: Multiple overflows
      Date: January 06, 2005
      Bugs: #74069
        ID: 200501-09

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Synopsis
========

xzgv contains multiple overflows that may lead to the execution of
arbitrary code.

Background
==========

xzgv is a picture viewer for X, with a thumbnail-based file selector.

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

    -------------------------------------------------------------------
     Package         /  Vulnerable  /                       Unaffected
    -------------------------------------------------------------------
  1  media-gfx/xzgv       <= 0.8                             >= 0.8-r1

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

Multiple overflows have been found in the image processing code of
xzgv, including an integer overflow in the PRF parsing code
(CAN-2004-0994).

Impact
======

An attacker could entice a user to open or browse a specially-crafted
image file, potentially resulting in the execution of arbitrary code
with the rights of the user running xzgv.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All xzgv users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=media-gfx/xzgv-0.8-r1"

References
==========

  [ 1 ] CAN-2004-0994
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0994
  [ 2 ] iDEFENSE Advisory

http://www.idefense.com/application/poi/display?id=160&type=vulnerabilities&flashstatus=true

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

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

  http://security.gentoo.org/glsa/glsa-200501-09.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 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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