Oracle GlassFish/System Application Server Security Bypass Vulnerability

Summary
The host is running GlassFish/System Application Server and is prone to security bypass vulnerability.
Impact
Successful exploitation could allow local attackers to execute arbitrary code under the context of the application. Impact Level: System/Application
Solution
Apply the security updates. http://www.oracle.com/technetwork/topics/security/cpuapr2011-301950.html
Insight
The flaw exists in the Web Administration component which listens by default on TCP port 4848. When handling a malformed GET request to the administrative interface, the application does not properly handle an exception allowing the request to proceed without authentication.
Affected
Oracle GlassFish version 2.1, 2.1.1 and 3.0.1 Oracle Java System Application Server 9.1
References