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Home » Security Advisories» Gentoo » Crossfire server denial of service

Crossfire server denial of service

An attacker can set up a malicious Crossfire client that would send a large request in "oldsocketmode", resulting in a Denial of Service on the Crossfire server and potentially in the execution of arbitrary code on the server with the rights of the game server.

  • Vendor: Gentoo
  • Vendor ID: GLSA 200604-11
  • Date: April 22, 2006


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Gentoo Linux Security Advisory GLSA 200604-11
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http://security.gentoo.org/
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Severity: High
Title: Crossfire server: Denial of Service and potential arbitrary
code execution
Date: April 22, 2006
Bugs: #126169
ID: 200604-11

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Synopsis
========

The Crossfire game server is vulnerable to a Denial of Service and
potentially to the execution of arbitrary code.

Background
==========

Crossfire is a cooperative multiplayer graphical adventure and
role-playing game. The Crossfire game server allows various compatible
clients to connect to participate in a cooperative game.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 games-server/crossfire-server < 1.9.0 >= 1.9.0

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

Luigi Auriemma discovered a vulnerability in the Crossfire game server,
in the handling of the "oldsocketmode" option when processing overly
large requests.

Impact
======

An attacker can set up a malicious Crossfire client that would send a
large request in "oldsocketmode", resulting in a Denial of Service on
the Crossfire server and potentially in the execution of arbitrary code
on the server with the rights of the game server.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Crossfire server users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose
">=games-server/crossfire-server-1.9.0"

References
==========

[ 1 ] CVE-2006-1010
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1010

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

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

http://security.gentoo.org/glsa/glsa-200604-11.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
[email protected] or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2006 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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