bugtraq - [ GLSA 200709-10 ] PhpWiki: Authentication bypass

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Date: Tue, 18 Sep 2007 23:23:44 +0200
From: Raphael Marichez <falco@...too.org>
To: gentoo-announce@...too.org
Cc: bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200709-10 ] PhpWiki: Authentication bypass

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Gentoo Linux Security Advisory                           GLSA 200709-10
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                                            http://security.gentoo.org/
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  Severity: Low
     Title: PhpWiki: Authentication bypass
      Date: September 18, 2007
      Bugs: #181692
        ID: 200709-10

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Synopsis
========

A vulnerability has been discovered in PhpWiki authentication
mechanism.

Background
==========

PhpWiki is an application that creates a web site where anyone can edit
the pages through HTML forms.

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

    -------------------------------------------------------------------
     Package           /  Vulnerable  /                     Unaffected
    -------------------------------------------------------------------
  1  www-apps/phpwiki      < 1.3.14                          >= 1.3.14

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

The PhpWiki development team reported an authentication error within
the file lib/WikiUser/LDAP.php when binding to an LDAP server with an
empty password.

Impact
======

A remote attacker could provide an empty password when authenticating.
Depending on the LDAP implementation used, this could bypass the
PhpWiki authentication mechanism and grant the attacker access to the
application.

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-1.3.14"

References
==========

  [ 1 ] CVE-2007-3193
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3193

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

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

  http://security.gentoo.org/glsa/glsa-200709-10.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@...too.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

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