Gentoo: PhpWiki Remote execution of arbitrary code
Posted by Benjamin D. Thomas   
Gentoo A vulnerability has been discovered in PhpWiki allowing for the remote execution of arbitrary code. A remote attacker could upload a specially crafted PHP file to the vulnerable server, resulting in the execution of arbitrary PHP code with the privileges of the user running PhpWiki.
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Gentoo Linux Security Advisory                           GLSA 200705-16
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                                            http://security.gentoo.org/
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  Severity: High
     Title: PhpWiki: Remote execution of arbitrary code
      Date: May 17, 2007
      Bugs: #174451
        ID: 200705-16

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Synopsis
========

A vulnerability has been discovered in PhpWiki allowing for the remote
execution of arbitrary code.

Background
==========

PhpWiki is an open source content management system written in PHP.

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

    -------------------------------------------------------------------
     Package           /   Vulnerable   /                   Unaffected
    -------------------------------------------------------------------
  1  www-apps/phpwiki      < 1.3.10-r3                    >= 1.3.10-r3

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

Harold Hallikainen has reported that the Upload page fails to properly
check the extension of a file.

Impact
======

A remote attacker could upload a specially crafted PHP file to the
vulnerable server, resulting in the execution of arbitrary PHP code
with the privileges of the user running PhpWiki.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All PhpWiki users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=www-apps/phpwiki-1.3.10-r3"

References
==========

  [ 1 ] CVE-2007-2024
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2024
  [ 2 ] CVE-2007-2025
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2025

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

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

  http://security.gentoo.org/glsa/glsa-200705-16.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 2007 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