A new security update has been released for Gentoo Linux - Graphviz: User-assisted execution of arbitrary code. Here the announcement:
Gentoo Linux Security Advisory GLSA 200811-04
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http://security.gentoo.org/
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Severity: Normal
Title: Graphviz: User-assisted execution of arbitrary code
Date: November 09, 2008
Bugs: #240636
ID: 200811-04
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Synopsis
========
A buffer overflow in Graphviz might lead to user-assisted execution of
arbitrary code via a DOT file.
Background
==========
Graphviz is an open source graph visualization software.
Affected packages
=================
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Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 media-gfx/graphviz < 2.20.3 >= 2.20.3
Description
===========
Roee Hay reported a stack-based buffer overflow in the push_subg()
function in parser.y when processing a DOT file with a large number of
Agraph_t elements.
Impact
======
A remote attacker could entice a user or automated system to open a
specially crafted DOT file in an application using Graphviz, possibly
leading to the execution of arbitrary code.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All Graphviz users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=media-gfx/graphviz-2.20.3"
References
==========
[ 1 ] CVE-2008-4555
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4555
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200811-04.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 2008 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
