Unspecified vulnerability in the Oracle Ultra Search component in Oracle Collaboration Suite 10.1.2; Database 9.2.0.8, 10.1.0.5, and 10.2.0.3; and Application Server 9.0.4.3 and 10.1.2.0.2; has unknown impact and local attack vectors, aka OCS01. NOTE: Oracle has not disputed a reliable claim that this issue is related to WKSYS schema privileges.