Unspecified vulnerability in the Authentication component in Oracle Database 10.2.0.3 and 11.1.0.7 allows remote attackers to affect confidentiality via unknown vectors.
http://www.us-cert.gov/cas/techalerts/TA09-294A.html
http://www.securitytracker.com/id?1023057
http://www.securityfocus.com/bid/36751
http://www.oracle.com/technetwork/topics/security/cpuoct2009-096303.html