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Gentoo Linux Security Advisory                           GLSA 200807-02
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: Motion: Execution of arbitrary code
      Date: July 01, 2008
      Bugs: #227053
        ID: 200807-02

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Synopsis
========

Multiple vulnerabilities in Motion might result in the execution of
arbitrary code.

Background
==========

Motion is a program that monitors the video signal from one or more
cameras and is able to detect motions.

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

    -------------------------------------------------------------------
     Package             /  Vulnerable  /                   Unaffected
    -------------------------------------------------------------------
  1  media-video/motion     < 3.2.10.1                     >=3D 3.2.10.1

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

Nico Golde reported an off-by-one error within the read_client()
function in the webhttpd.c file, leading to a stack-based buffer
overflow. Stefan Cornelius (Secunia Research) reported a boundary error
within the same function, also leading to a stack-based buffer
overflow. Both vulnerabilities require that the HTTP Control interface
is enabled.

Impact
======

A remote attacker could exploit these vulnerabilities by sending an
overly long or specially crafted request to a vulnerable Motion HTTP
control interface, possibly resulting in the execution of arbitrary
code with the privileges of the motion user.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Motion users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose
 ">=3Dmedia-video/motion-3.2.10.1"

References
==========

  [ 1 ] CVE-2008-2654
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCVE-2008-2654

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

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

  http://security.gentoo.org/glsa/glsa-200807-02.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 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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