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Gentoo Linux Security Advisory                           GLSA 200903-09
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                                            http://security.gentoo.org/
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  Severity: High
     Title: OpenTTD: Execution of arbitrary code
      Date: March 07, 2009
      Bugs: #233929
        ID: 200903-09

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Synopsis
========

Multiple buffer overflows in OpenTTD might allow for the execution of
arbitrary code in the server.

Background
==========

OpenTTD is a clone of Transport Tycoon Deluxe.

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

    -------------------------------------------------------------------
     Package                   /  Vulnerable  /             Unaffected
    -------------------------------------------------------------------
  1  games-simulation/openttd       < 0.6.3                   >= 0.6.3

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

Multiple buffer overflows have been reported in OpenTTD, when storing
long for client names (CVE-2008-3547), in the TruncateString function
in src/gfx.cpp (CVE-2008-3576) and in src/openttd.cpp when processing a
large filename supplied to the "-g" parameter in the ttd_main function
(CVE-2008-3577).

Impact
======

An authenticated attacker could exploit these vulnerabilities to
execute arbitrary code with the privileges of the OpenTTD server.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All OpenTTD users should upgrade to the latest version:

    # emerge --sync
    # 
emerge --ask --oneshot --verbose ">=games-simulation/openttd-0.6.3"

References
==========

  [ 1 ] CVE-2008-3547
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3547
  [ 2 ] CVE-2008-3576
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3576
  [ 3 ] CVE-2008-3577
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3577

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

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

  http://security.gentoo.org/glsa/glsa-200903-09.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 2009 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