bugtraq - [ GLSA 200804-25 ] VLC: User-assisted execution of arbitrary code

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Date: Wed, 23 Apr 2008 18:20:45 +0200
From: Robert Buchholz <rbu@...too.org>
To: gentoo-announce@...too.org
Cc: bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200804-25 ] VLC: User-assisted execution of arbitrary code

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Gentoo Linux Security Advisory                           GLSA 200804-25
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: VLC: User-assisted execution of arbitrary code
      Date: April 23, 2008
      Bugs: #214277, #214627
        ID: 200804-25

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Synopsis
========

Multiple vulnerabilities were found in VLC, allowing for the execution
of arbitrary code.

Background
==========

VLC is a cross-platform media player and streaming server.

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

    -------------------------------------------------------------------
     Package          /  Vulnerable  /                      Unaffected
    -------------------------------------------------------------------
  1  media-video/vlc      < 0.8.6f                           >= 0.8.6f

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

Multiple vulnerabilities were found in VLC:

* Luigi Auriemma discovered that the stack-based buffer overflow when
  reading subtitles, which has been reported as CVE-2007-6681 in GLSA
  200803-13, was not properly fixed (CVE-2008-1881).

* Alin Rad Pop of Secunia reported an array indexing vulnerability in
  the sdpplin_parse() function when processing streams from RTSP
  servers in Xine code, which is also used in VLC (CVE-2008-0073).

* Drew Yao and Nico Golde reported an integer overflow in the
  MP4_ReadBox_rdrf() function in the file libmp4.c leading to a
  heap-based buffer overflow when reading MP4 files (CVE-2008-1489).

* Drew Yao also reported integer overflows in the MP4 demuxer, the
  Real demuxer and in the Cinepak codec, which might lead to buffer
  overflows (CVE-2008-1768).

* Drew Yao finally discovered and a boundary error in Cinepak, which
  might lead to memory corruption (CVE-2008-1769).

Impact
======

A remote attacker could entice a user to open a specially crafted media
file or stream, possibly resulting in the remote execution of arbitrary
code.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All VLC users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=media-video/vlc-0.8.6f"

References
==========

  [ 1 ] CVE-2007-6681
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6681
  [ 2 ] CVE-2008-0073
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0073
  [ 3 ] CVE-2008-1489
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1489
  [ 4 ] CVE-2008-1768
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1768
  [ 5 ] CVE-2008-1769
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1769
  [ 6 ] CVE-2008-1881
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1881
  [ 7 ] GLSA 200803-13
        http://www.gentoo.org/security/en/glsa/glsa-200803-13.xml

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

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

  http://security.gentoo.org/glsa/glsa-200804-25.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@...too.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2008 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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