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Gentoo Linux Security Advisory                           GLSA 200711-20
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Pioneers: Denial of Service
      Date: November 14, 2007
      Bugs: #198807
        ID: 200711-20

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Synopsis
========

A vulnerability has been discovered in Pioneers, possibly resulting in
a Denial of Service.

Background
==========

Pioneers (formerly gnocatan) is a clone of the popular board game "The
Settlers of Catan".

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

    -------------------------------------------------------------------
     Package               /  Vulnerable  /                 Unaffected
    -------------------------------------------------------------------
  1  games-board/pioneers      < 0.11.3                      >= 0.11.3

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

Bas Wijnen discovered that the Pioneers server may free sessions
objects while they are still in use, resulting in access to invalid
memory zones.

Impact
======

A remote attacker could send specially crafted data to the vulnerable
server, resulting in a Denial of Service.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Pioneers users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=games-board/pioneers-0.11.3"

References
==========

  [ 1 ] CVE-2007-5933
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5933

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

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

  http://security.gentoo.org/glsa/glsa-200711-20.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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