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Gentoo Linux Security Advisory                           GLSA 200412-27
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                                            http://security.gentoo.org/
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  Severity: High
     Title: PHProjekt: Remote code execution vulnerability
      Date: December 30, 2004
      Bugs: #75858
        ID: 200412-27

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Synopsis
========

PHProjekt contains a vulnerability that allows a remote attacker to
execute arbitrary PHP code.

Background
==========

PHProjekt is a modular groupware web application used to coordinate
group activities and share files.

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

    -------------------------------------------------------------------
     Package             /  Vulnerable  /                   Unaffected
    -------------------------------------------------------------------
  1  www-apps/phprojekt      < 4.2-r2                        >= 4.2-r2

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

cYon discovered that the authform.inc.php script allows a remote user
to define the global variable $path_pre.

Impact
======

A remote attacker can exploit this vulnerability to force
authform.inc.php to download and execute arbitrary PHP code with the
privileges of the web server user.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All PHProjekt users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=www-apps/phprojekt-4.2-r2"

References
==========

  [ 1 ] PHProjekt Advisory

www.phprojekt.com

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

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

  http://security.gentoo.org/glsa/glsa-200412-27.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 2004 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