GLSA 200411-12: zgv: Multiple buffer overflows
Posted on: 11/07/2004 06:34 PM

A zgv security update has been released for Gentoo Linux

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Gentoo Linux Security Advisory GLSA 200411-12:01
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http://security.gentoo.org/
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Severity: Normal
Title: zgv: Multiple buffer overflows
Date: November 07, 2004
Bugs: #69150
ID: 200411-12:01

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Synopsis
========

zgv contains multiple buffer overflows that can potentially lead to the execution of arbitrary code.

Background
==========

zgv is a console image viewer based on svgalib.

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

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Package / Vulnerable / Unaffected
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1 media-gfx/zgv < 5.8 >= 5.8

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

Multiple arithmetic overflows have been detected in the image processing code of zgv.

Impact
======

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

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All zgv users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-gfx/zgv-5.8"

References
==========

[ 1 ] BugTraq Advisory
http://www.securityfocus.com/archive/1/379472

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

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

http://security.gentoo.org/glsa/glsa-200411-12.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 2004 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/1.0


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