Oracle GlassFish Server Hash Collision Denial of Service Vulnerability

Summary
The host is running GlassFish Server and is prone to denial of service vulnerability.
Impact
Successful exploitation could allow remote attackers to cause a denial of service via a specially crafted form sent in a HTTP POST request. Impact Level: Application/System
Solution
Apply the updates from below link, http://www.oracle.com/technetwork/topics/security/cpujan2012-366304.html
Insight
The flaw is due to an error within a hash generation function when hashing form posts and updating a hash table. This can be exploited to cause a hash collision resulting in high CPU consumption via a specially crafted form sent in a HTTP POST request.
Affected
Oracle GlassFish version 3.1.1 and prior.
References