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Gentoo Linux Security Advisory                        GLSA 200411-14:01
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  Severity: Normal
     Title: Kaffeine, gxine: Remotely exploitable buffer overflow
      Date: November 07, 2004
      Bugs: #69663, #70055
        ID: 200411-14:01

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Synopsis
========

Kaffeine and gxine both contain a buffer overflow that can be exploited
when accessing content from a malicious HTTP server with specially
crafted headers.

Background
==========

Kaffeine and gxine are graphical front-ends for xine-lib multimedia
library.

Affected packages
=================

    -------------------------------------------------------------------
     Package               /   Vulnerable   /               Unaffected
    -------------------------------------------------------------------
  1  media-video/kaffeine     < 0.5_rc1-r1               >= 0.5_rc1-r1
                                                         *>= 0.4.3b-r1
  2  media-video/gxine         < 0.3.3-r1                  >= 0.3.3-r1
    -------------------------------------------------------------------
     2 affected packages on all of their supported architectures.
    -------------------------------------------------------------------

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

KF of Secure Network Operations has discovered an overflow that occurs
during the Content-Type header processing of Kaffeine. The vulnerable
code in Kaffeine is reused from gxine, making gxine vulnerable as well.

Impact
======

An attacker could create a specially-crafted Content-type header from a
malicious HTTP server, and crash a user's instance of Kaffeine or
gxine, potentially allowing the execution of arbitrary code.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Kaffeine users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=media-video/kaffeine-0.4.3b-r1"

All gxine users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=media-video/gxine-0.3.3-r1"

References
==========

  [ 1 ] SecurityTracker Advisory
        http://securitytracker.com/alerts/2004/Oct/1011936.html
  [ 2 ] gxine Bug Report
        http://sourceforge.net/tracker/index.php?func=detail&aid=1060299&group_id=9655&atid=109655

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

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

  http://security.gentoo.org/glsa/glsa-200411-14.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 2004 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/1.0

--

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