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TUCoPS :: Linux :: Gentoo :: tb11783.htm

Festival: Privilege elevation



Festival: Privilege elevation
Festival: Privilege elevation




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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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