CVE-2010-3091

Name of the Vulnerable Software and Affected Versions Drupal OpenID module versions prior to 6.18 Drupal OpenID module 5.x versions prior to 5.x-1.4

Description The issue concerns the OpenID module in Drupal, which fails to verify the openid.return to value as per the OpenID 2.0 protocol. This allows remote attackers to bypass authentication by leveraging an assertion from an OpenID provider.

Recommendations For Drupal 6.x, update to version 6.18 or later. For Drupal 5.x, update to OpenID module version 5.x-1.4 or later.