Gentoo: phpLDAPadmin Authentication bypass
Posted by Benjamin D. Thomas   
Gentoo A flaw in phpLDAPadmin may allow attackers to bypass security restrictions and connect anonymously.
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Gentoo Linux Security Advisory                           GLSA 200509-04
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                                            http://security.gentoo.org/
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  Severity: Low
     Title: phpLDAPadmin: Authentication bypass
      Date: September 06, 2005
      Bugs: #104293
        ID: 200509-04

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Synopsis
========

A flaw in phpLDAPadmin may allow attackers to bypass security
restrictions and connect anonymously.

Background
==========

phpLDAPadmin is a web-based LDAP client allowing to easily manage LDAP
servers.

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

    -------------------------------------------------------------------
     Package               /    Vulnerable    /             Unaffected
    -------------------------------------------------------------------
  1  net-nds/phpldapadmin     < 0.9.7_alpha6           >= 0.9.7_alpha6

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

Alexander Gerasiov discovered a flaw in login.php preventing the
application from validating whether anonymous bind has been disabled in
the target LDAP server configuration.

Impact
======

Anonymous users can access the LDAP server, even if the
"disable_anon_bind" parameter was explicitly set to avoid this.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All phpLDAPadmin users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-nds/phpldapadmin-0.9.7_alpha6"

References
==========

  [ 1 ] CAN-2005-2654
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2654
  [ 2 ] Secunia Advisory SA16611
        http://secunia.com/advisories/16611/

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

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

  http://security.gentoo.org/glsa/glsa-200509-04.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