Gentoo: 201312-06 Festival: Arbitrary code execution
Posted by Benjamin D. Thomas   
Gentoo A vulnerability in Festival could result in arbitrary code execution, and privilege escalation.
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Gentoo Linux Security Advisory                           GLSA 201312-06
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                                            http://security.gentoo.org/
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 Severity: Normal
    Title: Festival: Arbitrary code execution
     Date: December 09, 2013
     Bugs: #386319
       ID: 201312-06

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Synopsis
========

A vulnerability in Festival could result in arbitrary code execution,
and privilege escalation.

Background
==========

Festival is a Text to Speech Engine from The Centre for Speech
Technology Research.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  app-accessibility/festival
                                   < 2.1                       >= 2.1

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

A vulnerability in Festival Server has an incorrect path in
LD_LIBRARY_PATH, which allows local users to place a Trojan horse
shared library in the current working directory.

Impact
======

A local attacker can execute arbitrary a Trojan horse shared library,
potentially resulting in arbitrary code execution and privilege
escalation.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Festival users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=app-accessibility/festival-2.1"

References
==========

[ 1 ] CVE-2010-3996
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-3996

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

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

 http://security.gentoo.org/glsa/glsa-201312-06.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
https://bugs.gentoo.org.

License

Copyright 2013 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