full-disclosure - [ GLSA 200804-24 ] DBmail: Data disclosure

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Message-ID: <48092EF7.7080508@gentoo.org>
Date: Sat, 19 Apr 2008 01:29:59 +0200
From: Matthias Geerdsen <vorlon@...too.org>
To: gentoo-announce@...too.org
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com,
	security-alerts@...uxsecurity.com
Subject: [ GLSA 200804-24 ] DBmail: Data disclosure

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Gentoo Linux Security Advisory                           GLSA 200804-24
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                                             http://security.gentoo.org/
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   Severity: Low
      Title: DBmail: Data disclosure
       Date: April 18, 2008
       Bugs: #218154
         ID: 200804-24

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Synopsis
========

A vulnerability in DBMail could allow for passwordless login to any
account under certain configurations.

Background
==========

DBMail is a mail storage and retrieval daemon that uses SQL databases
as its data store. IMAP and POP3 can be used to retrieve mails from the
database.

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

     -------------------------------------------------------------------
      Package          /  Vulnerable  /                      Unaffected
     -------------------------------------------------------------------
   1  net-mail/dbmail       < 2.2.9                            >= 2.2.9

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

A vulnerability in DBMail's authldap module when used in conjunction
with an Active Directory server has been reported by vugluskr. When
passing a zero length password to the module, it tries to bind
anonymously to the LDAP server. If the LDAP server allows anonymous
binds, this bind succeeds and results in a successful authentication to
DBMail.

Impact
======

By passing an empty password string to the server, an attacker could be
able to log in to any account.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All DBMail users should upgrade to the latest version:

     # emerge --sync
     # emerge --ask --oneshot --verbose ">=net-mail/dbmail-2.2.9"

References
==========

   [ 1 ] CVE-2007-6714
         http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6714

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

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

   http://security.gentoo.org/glsa/glsa-200804-24.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 2008 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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