[ GLSA 200707-10 ] Festival: Privilege elevation

[Raphael Marichez <falco () gentoo org>]

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Gentoo Linux Security Advisory                           GLSA 200707-10
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                                            http://security.gentoo.org/
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  Severity: High
     Title: Festival: Privilege elevation
      Date: July 25, 2007
      Bugs: #170477
        ID: 200707-10

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Synopsis
========

A vulnerability has been discovered in Festival, allowing for a local
privilege escalation.

Background
==========

Festival is a text-to-speech accessibility program.

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

    -------------------------------------------------------------------
     Package                     /    Vulnerable    /       Unaffected
    -------------------------------------------------------------------
  1  app-accessibility/festival     < 1.95_beta-r4     >= 1.95_beta-r4

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

Konstantine Shirow reported a vulnerability in default Gentoo
configurations of Festival. The daemon is configured to run with root
privileges and to listen on localhost, without requiring a password.

Impact
======

A local attacker could gain root privileges by connecting to the daemon
and execute arbitrary commands.

Workaround
==========

Set a password in the configuration file /etc/festival/server.scm by
adding the line: (set! server_passwd password)

Resolution
==========

All Festival users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=app-accessibility/festival-1.95_beta-r4"

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

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

  http://security.gentoo.org/glsa/glsa-200707-10.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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