[ GLSA 200702-09 ] Nexuiz: Multiple vulnerabilities

[Raphael Marichez <falco () gentoo org>]

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Gentoo Linux Security Advisory                           GLSA 200702-09
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Nexuiz: Multiple vulnerabilities
      Date: February 25, 2007
      Bugs: #166044
        ID: 200702-09

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Synopsis
========

Two separate vulnerabilities have been found in Nexuiz allowing the
remote execution of arbitrary code and a Denial of Service.

Background
==========

Nexuiz is a multi-player FPS game which uses a modified version of the
Quake 1 engine.

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

    -------------------------------------------------------------------
     Package           /  Vulnerable  /                     Unaffected
    -------------------------------------------------------------------
  1  games-fps/nexuiz       < 2.2.1                           >= 2.2.1

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

Nexuiz fails to correctly validate input within "clientcommands". There
is also a failure to correctly handle connection attempts from remote
hosts.

Impact
======

Using a specially crafted "clientcommand" a remote attacker can cause a
buffer overflow in Nexuiz which could result in the execution of
arbitrary code. Additionally, there is a Denial of Service
vulnerability in Nexuiz allowing an attacker to cause Nexuiz to crash
or to run out of resources by overloading it with specially crafted
connection requests.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Nexuiz users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=games-fps/nexuiz-2.2.1"

References
==========

  [ 1 ] CVE-2006-6609
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-6609
  [ 2 ] CVE-2006-6610
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-6610

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

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

  http://security.gentoo.org/glsa/glsa-200702-09.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 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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