[ GLSA 200509-03 ] OpenTTD: Format string vulnerabilities

[Stefan Cornelius <dercorny () gentoo org>]

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Gentoo Linux Security Advisory                           GLSA 200509-03
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                                            http://security.gentoo.org/
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  Severity: High
     Title: OpenTTD: Format string vulnerabilities
      Date: September 05, 2005
      Bugs: #102631
        ID: 200509-03

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Synopsis
========

OpenTTD is vulnerable to format string vulnerabilities which may result
in remote execution of arbitrary code.

Background
==========

OpenTTD is an open source clone of the simulation game "Transport
Tycoon Deluxe" by Microprose.

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

    -------------------------------------------------------------------
     Package                   /   Vulnerable   /           Unaffected
    -------------------------------------------------------------------
  1  games-simulation/openttd     < 0.4.0.1-r1           >= 0.4.0.1-r1

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

Alexey Dobriyan discovered several format string vulnerabilities in
OpenTTD.

Impact
======

A remote attacker could exploit these vulnerabilities to crash the
OpenTTD server or client and possibly execute arbitrary code with the
rights of the user running OpenTTD.

Workaround
==========

There are no known workarounds at this time.

Resolution
==========

All OpenTTD users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose
">=games-simulation/openttd-0.4.0.1-r1"

References
==========

  [ 1 ] CAN-2005-2763
        http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2763

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

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

  http://security.gentoo.org/glsa/glsa-200509-03.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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