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[ GLSA 200611-10 ] WordPress: Multiple vulnerabilities
From: Sune Kloppenborg Jeppesen <jaervosz () gentoo org>
Date: Fri, 17 Nov 2006 13:25:46 +0100

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Gentoo Linux Security Advisory                           GLSA 200611-10
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: WordPress: Multiple vulnerabilities
      Date: November 17, 2006
      Bugs: #153303
        ID: 200611-10

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Synopsis
========

Flaws in WordPress allow a Denial of Service, the disclosure of user
metadata and the overwriting of restricted files.

Background
==========

WordPress is a PHP and MySQL based multiuser blogging system.

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

    -------------------------------------------------------------------
     Package             /  Vulnerable  /                   Unaffected
    -------------------------------------------------------------------
  1  www-apps/wordpress       < 2.0.5                         >= 2.0.5

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

"random" discovered that users can enter serialized objects as strings
in their profiles that will be harmful when unserialized. "adapter"
found out that user-edit.php fails to effectively deny non-permitted
users access to other user's metadata. Additionally, a directory
traversal vulnerability in the wp-db-backup module was discovered.

Impact
======

By entering specially crafted strings in his profile, an attacker can
crash PHP or even the web server running WordPress. Additionally, by
crafting a simple URL, an attacker can read metadata of any other user,
regardless of their own permissions. A user with the permission to use
the database backup plugin can possibly overwrite files he otherwise
has no access to.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All WordPress users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=www-apps/wordpress-2.0.5"

References
==========

  [ 1 ] CVE-2006-5705
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-5705
  [ 2 ] WordPress Ticket 3142
        http://trac.wordpress.org/ticket/3142
  [ 3 ] WordPress Ticket 2591
        http://trac.wordpress.org/ticket/2591

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

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

  http://security.gentoo.org/glsa/glsa-200611-10.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 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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