A flaw was found in JBoss web services where the services used a weak symmetric encryption protocol, PKCS#1 v1.5. An attacker could use this weakness in chosen-ciphertext attacks to recover the symmetric key and conduct further attacks.
EJB method in Red Hat JBoss BRMS 5; Red Hat JBoss Enterprise Application Platform 5; Red Hat JBoss Operations Network 3.1; Red Hat JBoss Portal 4 and 5; Red Hat JBoss SOA Platform 4.2, 4.3, and 5; in Red Hat JBoss Enterprise Web Server 1 ignores roles specified using the @RunAs annotation.