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Drupal Tokenauth 6.x Access Bypass

Drupal Tokenauth 6.x Access Bypass
Posted Jun 7, 2012
Authored by John Morahan | Site drupal.org

Drupal Tokenauth third party module version 6.x suffers from an access bypass vulnerability.

tags | advisory, bypass
MD5 | f6f203f4cfbee451616b9c6d43a47949

Drupal Tokenauth 6.x Access Bypass

Change Mirror Download
View online: http://drupal.org/node/1619808

* Advisory ID: DRUPAL-SA-CONTRIB-2012-091
* Project: Tokenauth [1] (third-party module)
* Version: 6.x
* Date: 2012-June-06
* Security risk: Moderately critical [2]
* Exploitable from: Remote
* Vulnerability: Access bypass

-------- DESCRIPTION
---------------------------------------------------------

The Token Authentication module provides a token for use in the URL to
authenticate users to a site.
Under certain uncommon situations, the module may not revert a user's session
properly. Depending on how tokenauth is used, this could result in subsequent
requests being performed as a user with additional privileges when they
shouldn't.

CVE: Requested

-------- VERSIONS AFFECTED
---------------------------------------------------

* Tokenauth 6.x-1.x versions prior to 6.x-1.7.

Drupal core is not affected. If you do not use the contributed Token
Authentication [3] module, there is nothing you need to do.

-------- SOLUTION
------------------------------------------------------------

Install the latest version:

* If you use the Tokenauth module for Drupal 6.x, upgrade to Tokenauth
6.x-1.7 [4]

Also see the Tokenauth [5] project page.

-------- REPORTED BY
---------------------------------------------------------

* John Morahan [6] of the Drupal Security Team

-------- FIXED BY
------------------------------------------------------------

* Adam Ross [7] the module maintainer

-------- CONTACT AND MORE INFORMATION
----------------------------------------

The Drupal security team can be reached at security at drupal.org or via the
contact form at http://drupal.org/contact [8].

Learn more about the Drupal Security team and their policies [9], writing
secure code for Drupal [10], and securing your site [11].


[1] http://drupal.org/project/tokenauth
[2] http://drupal.org/security-team/risk-levels
[3] http://drupal.org/project/tokenauth
[4] http://drupal.org/node/1618476
[5] http://drupal.org/project/tokenauth
[6] http://drupal.org/user/58170
[7] http://drupal.org/user/346868
[8] http://drupal.org/contact
[9] http://drupal.org/security-team
[10] http://drupal.org/writing-secure-code
[11] http://drupal.org/security/secure-configuration

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