bugtraq - [ GLSA 200903-33 ] FFmpeg: Multiple vulnerabilities

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Message-ID: <49C2CE6E.5010606@gentoo.org>
Date: Thu, 19 Mar 2009 23:59:58 +0100
From: Pierre-Yves Rofes <py@...too.org>
To: gentoo-announce@...too.org
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200903-33 ] FFmpeg: Multiple vulnerabilities

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Gentoo Linux Security Advisory                           GLSA 200903-33
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: FFmpeg: Multiple vulnerabilities
      Date: March 19, 2009
      Bugs: #231831, #231834, #245313, #257217, #257381
        ID: 200903-33

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Synopsis
========

Multiple vulnerabilities in FFmpeg may lead to the remote execution of
arbitrary code or a Denial of Service.

Background
==========

FFmpeg is a complete solution to record, convert and stream audio and
video. gst-plugins-ffmpeg is a FFmpeg based gstreamer plugin which
includes a vulnerable copy of FFmpeg code. Mplayer is a multimedia
player which also includes a vulnerable copy of the code.

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

    -------------------------------------------------------------------
     Package             /      Vulnerable      /           Unaffected
    -------------------------------------------------------------------
  1  ffmpeg                  < 0.4.9_p20090201      >= 0.4.9_p20090201
  2  gst-plugins-ffmpeg          < 0.10.5                    >= 0.10.5
  3  mplayer                 < 1.0_rc2_p28450        >= 1.0_rc2_p28450
    -------------------------------------------------------------------
     3 affected packages on all of their supported architectures.
    -------------------------------------------------------------------

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

Multiple vulnerabilities were found in FFmpeg:

* astrange reported a stack-based buffer overflow in the
  str_read_packet() in libavformat/psxstr.c when processing .str files
  (CVE-2008-3162).

* Multiple buffer overflows in libavformat/utils.c (CVE-2008-4866).

* A buffer overflow in libavcodec/dca.c (CVE-2008-4867).

* An unspecified vulnerability in the avcodec_close() function in
  libavcodec/utils.c (CVE-2008-4868).

* Unspecified memory leaks (CVE-2008-4869).

* Tobias Klein repoerted a NULL pointer dereference due to an integer
  signedness error in the fourxm_read_header() function in
  libavformat/4xm.c (CVE-2009-0385).

Impact
======

A remote attacker could entice a user to open a specially crafted media
file, possibly leading to the execution of arbitrary code with the
privileges of the user running the application, or a Denial of Service.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All FFmpeg users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose >=media-video/ffmpeg-0.4.9_p20090201"

All gst-plugins-ffmpeg users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose
>=media-plugins/gst-plugins-ffmpeg-0.10.5"

All Mplayer users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose >=media-video/mplayer-1.0_rc2_p28450"

References
==========

  [ 1 ] CVE-2008-3162
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3162
  [ 2 ] CVE-2008-4866
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4866
  [ 3 ] CVE-2008-4867
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4867
  [ 4 ] CVE-2008-4868
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4868
  [ 5 ] CVE-2008-4869
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4869
  [ 6 ] CVE-2009-0385
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0385

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

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

  http://security.gentoo.org/glsa/glsa-200903-33.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 2009 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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