[Full-disclosure] [ GLSA 200606-08 ] WordPress: Arbitrary command execution

[Sune Kloppenborg Jeppesen]

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Gentoo Linux Security Advisory                           GLSA 200606-08
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                                            http://security.gentoo.org/
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  Severity: High
     Title: WordPress: Arbitrary command execution
      Date: June 09, 2006
      Bugs: #134397
        ID: 200606-08

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Synopsis
========

WordPress fails to sufficiently check the format of cached username
data.

Background
==========

WordPress is a PHP and MySQL based content management and publishing
system.

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

    -------------------------------------------------------------------
     Package             /  Vulnerable  /                   Unaffected
    -------------------------------------------------------------------
  1  www-apps/wordpress       < 2.0.3                         >= 2.0.3

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

rgod discovered that WordPress insufficiently checks the format of
cached username data.

Impact
======

An attacker could exploit this vulnerability to execute arbitrary
commands by sending a specially crafted username. As of Wordpress 2.0.2
the user data cache is disabled as the default.

Workaround
==========

There are no known workarounds at this time.

Resolution
==========

All WordPress users should upgrade to the latest available version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=www-apps/wordpress-2.0.3"

References
==========

  [ 1 ] CVE-2006-2667
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2667
  [ 2 ] CVE-2006-2702
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2702

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

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

  http://security.gentoo.org/glsa/glsa-200606-08.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 at gentoo.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2006 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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