Unspecified vulnerability in the Core RDBMS component in Oracle Database Server 10.2.0.3, 10.2.0.4, 10.2.0.5, 11.1.0.7, 11.2.0.1, and 11.2.0.2 allows remote authenticated users to affect confidentiality, integrity, and availability, related to SYSDBA.
http://www.us-cert.gov/cas/techalerts/TA11-201A.html
http://www.oracle.com/technetwork/topics/security/cpujuly2011-313328.html