Unspecified vulnerability in the Core RDBMS component in Oracle Database 9.2.0.8, 9.2.0.8DV, 10.1.0.5, and 10.2.0.2 allows remote attackers…

Unspecified vulnerability in the Core RDBMS component in Oracle Database 9.2.0.8, 9.2.0.8DV, 10.1.0.5, and 10.2.0.2 allows remote attackers to affect confidentiality and integrity via unknown vectors. NOTE: the previous information was obtained from the Oracle October 2008 CPU. Oracle has not commented on reliable researcher claims that this issue involves an authentication bypass by establishing a TNS connection and impersonating a user session via a crafted authentication message during proxy authentication mode.