OpenJDK Proxy mechanism information leaks (6801071)

The SOCKS proxy implementation in Sun Java Runtime Environment JRE in JDK and JRE 6 before Update 15, and JDK and JRE 5.0 before Update 20, allows remote attackers to discover the username of the account that invoked an untrusted 1 applet or 2 Java Web Start application via unspecified vectors...