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Gentoo Linux Security Advisory                           GLSA 201402-10
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                                            https://security.gentoo.org/
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 Severity: Normal
    Title: PulseAudio: Insecure temporary file usage
     Date: February 07, 2014
     Bugs: #313329
       ID: 201402-10

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Synopsis
=======
An insecure temporary file usage has been reported in PulseAudio,
possibly allowing symlink attacks.

Background
=========
PulseAudio is a sound system for POSIX OSes.

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  media-sound/pulseaudio       < 0.9.22                  >= 0.9.22 

Description
==========
The pa_make_secure_dir function in core-util.c does not handle
temporary files securely.

Impact
=====
A local attacker could perform symlink attacks to overwrite arbitrary
files with the privileges of the user running the application.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All PulseAudio users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=media-sound/pulseaudio-0.9.22"

References
=========
[ 1 ] CVE-2009-1299
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2009-1299

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

 https://security.gentoo.org/glsa/201402-10

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 2014 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.

https://creativecommons.org/licenses/by-sa/2.5/