[ GLSA 200707-10 ] Festival: Privilege elevation

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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.

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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

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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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