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Gentoo: VLC media player Format string vulnerability Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
Gentoo VLC media player improperly handles format strings, allowing for the execution of arbitrary code.
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Gentoo Linux Security Advisory                           GLSA 200701-24
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: VLC media player: Format string vulnerability
      Date: January 26, 2007
      Bugs: #159845
        ID: 200701-24

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Synopsis
=3D=3D=3D=3D=3D=3D=3D=3D

VLC media player improperly handles format strings, allowing for the
execution of arbitrary code.

Background
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VLC media player is a multimedia player for various audio and video
formats.

Affected packages
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

    -------------------------------------------------------------------
     Package          /  Vulnerable  /                      Unaffected
    -------------------------------------------------------------------
  1  media-video/vlc     < 0.8.6-r1                        >=3D 0.8.6-r1

Description
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

Kevin Finisterre has discovered that when handling media locations,
various functions throughout VLC media player make improper use of
format strings.

Impact
=3D=3D=3D=3D=3D=3D

An attacker could entice a user to open a specially crafted media
location or M3U file with VLC media player, and execute arbitrary code
on the system with the rights of the user running VLC media player.

Workaround
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There is no known workaround at this time.

Resolution
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

All vlc users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=3Dmedia-video/vlc-0.8.6-r1"

References
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  [ 1 ] CVE-2007-0017
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCVE-2007-0017

Availability
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D

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

  http://security.gentoo.org/glsa/glsa-200701-24.xml

Concerns?
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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
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Copyright 2007 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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