[ GLSA 200507-03 ] phpBB: Arbitrary command execution

[Matthias Geerdsen <vorlon () gentoo org>]

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Gentoo Linux Security Advisory                           GLSA 200507-03
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                                            http://security.gentoo.org/
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  Severity: High
     Title: phpBB: Arbitrary command execution
      Date: July 04, 2005
      Bugs: #97278
        ID: 200507-03

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Synopsis
========

A vulnerability in phpBB allows a remote attacker to execute arbitrary
commands with the rights of the web server.

Background
==========

phpBB is an Open Source bulletin board package.

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

    -------------------------------------------------------------------
     Package         /  Vulnerable  /                       Unaffected
    -------------------------------------------------------------------
  1  www-apps/phpBB      < 2.0.16                            >= 2.0.16

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

Ron van Daal discovered that phpBB contains a vulnerability in the
highlighting code.

Impact
======

Successful exploitation would grant an attacker unrestricted access to
the PHP exec() or system() functions, allowing the execution of
arbitrary commands with the rights of the web server.

Workaround
==========

Please follow the instructions given in the phpBB announcement.

Resolution
==========

The phpBB package is no longer supported by Gentoo Linux and has been
removed from the Portage repository, no further announcements will be
issued regarding phpBB updates. Users who wish to continue using phpBB
are advised to monitor and refer to www.phpbb.com for more information.

To continue using the Gentoo-provided phpBB package, please refer to
the Portage documentation on unmasking packages and upgrade to 2.0.16.

References
==========

  [ 1 ] phpBB Announcement
        http://www.phpbb.com/phpBB/viewtopic.php?f=14&t=302011

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

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

  http://security.gentoo.org/glsa/glsa-200507-03.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 2005 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/2.0

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