IBM WebSphere Application Server WS-Security XML Encryption Weakness Vulnerability

Summary
The host is running IBM WebSphere Application Server and is prone to information disclosure vulnerability.
Impact
Successful exploitation will let remote attackers to obtain plaintext data from a JAX-RPC or JAX-WS Web Services. Impact Level: Application
Solution
For WebSphere Application Server 6.1: Apply the latest Fix Pack (6.1.0.39 or later) or APAR PM34841. For WebSphere Application Server 7.0: Apply the latest Fix Pack (7.0.0.17 or later) or APAR PM34841. http://www-01.ibm.com/support/docview.wss?uid=swg21474220 ***** NOTE : Ignore this warning, if above mentioned patch is already applied. *****
Insight
The flaw is caused by a weak encryption algorithm being used by WS-Security to encrypt data exchanged via a Web Service (JAX-WS or JAX-RPC), which could allow attackers to decrypt the encrypted data contained in web requests.
Affected
IBM WebSphere Application Server versions 6.1 before 6.1.0.39 and 7.0 before 7.0.0.17
References