U radu programskog paketa OpenTTD uočeno je više sigurnosnih nepravilnosti. Udaljeni ih napadač može iskoristiti za napad uskraćivanjem usluga (DoS), proizvoljno izvršavanje programskog koda te dobivanje većih privilegija.

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Gentoo Linux Security Advisory                           GLSA 201111-03
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                                            http://security.gentoo.org/
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 Severity: High
    Title: OpenTTD: Multiple vulnerabilities
     Date: November 11, 2011
     Bugs: #381799
       ID: 201111-03

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Synopsis
========

Multiple vulnerabilities were found in OpenTTD which could lead to
execution of arbitrary code, a Denial of Service, or privilege
escalation.

Background
==========

OpenTTD is a clone of Transport Tycoon Deluxe.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  games-simulation/openttd
                                  < 1.1.3                    >= 1.1.3

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

Multiple vulnerabilities have been discovered in OpenTTD. Please review
the CVE identifiers referenced below for details.

Impact
======

A remote attacker could execute arbitrary code with the privileges of
the OpenTTD process or cause a Denial of Service. Local users could
cause a Denial of Service.

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-1.1.3"

NOTE: This is a legacy GLSA. Updates for all affected architectures are
available since September 27, 2011. It is likely that your system is
already no longer affected by this issue.

References
==========

[ 1 ] CVE-2010-4168
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-4168
[ 2 ] CVE-2011-3341
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3341
[ 3 ] CVE-2011-3342
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3342
[ 4 ] CVE-2011-3343
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3343

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

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

 http://security.gentoo.org/glsa/glsa-201111-03.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
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https://bugs.gentoo.org.

License
=======

Copyright 2011 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