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Gentoo Linux Security Advisory                           GLSA 200510-08
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: xine-lib: Format string vulnerability
      Date: October 08, 2005
      Bugs: #107854
        ID: 200510-08

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Synopsis
========

xine-lib contains a format string error in CDDB response handling that
may be exploited to execute arbitrary code.

Background
==========

xine-lib is a multimedia library which can be utilized to create
multimedia frontends. It includes functions to retrieve information
about audio CD contents from public CDDB servers.

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

    -------------------------------------------------------------------
     Package              /  Vulnerable  /                  Unaffected
    -------------------------------------------------------------------
  1  media-libs/xine-lib     < 1.1.0-r5                    >= 1.1.0-r5
                                                          *>= 1.0.1-r4
                                                          *>= 1_rc8-r2

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

Ulf Harnhammar discovered a format string bug in the routines handling
CDDB server response contents.

Impact
======

An attacker could submit malicious information about an audio CD to a
public CDDB server (or impersonate a public CDDB server). When the
victim plays this CD on a multimedia frontend relying on xine-lib, it
could end up executing arbitrary code.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All xine-lib users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose media-libs/xine-lib

References
==========

  [ 1 ] CAN-2005-2967
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2967

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

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

  http://security.gentoo.org/glsa/glsa-200510-08.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 2005 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/2.0

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