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------------TEXTIMAGE - RESPONSE VALIDATION BYPASS------------

* Advisory ID: DRUPAL-SA-2007-007
* Project: Textimage (third-party module)
* Version: 4.7.x, 5.x
* Date: 2007-Jan-31
* Security risk: Less critical
* Exploitable from: Remote
* Vulnerability: Captcha bypass

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

Captcha validation by Textimage can be bypassed by manipulating request variables while posting. This defeats the purpose of the captcha and makes automated submission possible.

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

* All versions of Textimage 4.7.x prior to Textimage 4.7-1.2.
* All versions of Textimage 5.x prior to Textimage 5.x-1.1.

Drupal core is not affected. If you do not use the contributed Captcha module, there is nothing you need to do.

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

Install the latest version:

* If you use Drupal 4.7.x use Textimage 4.7.x-1.2
[http://drupal.org/node/114517].
* If you use Drupal 5.x use Textimage 5.x-1.1
[http://drupal.org/node/114518].

See also the Textimage project page [http://drupal.org/project/textimage].

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

Thomas Nilsson.

------------CONTACT------------

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