Oracle Database Server up to 10.2.0.5/11.1.0.7/11.2.0.3 Core RDBMS improper authentication

A vulnerability classified as very critical was found in Oracle Database Server up to 10.2.0.5/11.1.0.7/11.2.0.3 (Database Software). This vulnerability affects an unknown part of the component Core RDBMS. Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 12673.