JBoss Application Server is the base package for JBoss Enterprise Application Platform, providing the core server components. The Java Naming and Directory Interface (JNDI) Java API allows Java software clients to locate objects or services in an application server.
It was found that the JBoss JNDI service allowed unauthenticated, remote write access by default. The JNDI and HA-JNDI services, and the HAJNDIFactory invoker servlet were all affected. A remote attacker able to access the JNDI service (port 1099), HA-JNDI service (port 1100), or the HAJNDIFactory invoker servlet on a JBoss server could use this flaw to add, delete, and modify items in the JNDI tree. This could have various, application-specific impacts. (CVE-2011-4605)
Red Hat would like to thank Christian Schlüter (VIADA) for reporting this issue.
Warning: Before applying this update, back up your JBoss Enterprise Application Platform's "jboss-as/server/[PROFILE]/deploy/" directory, along with all other customized configuration files.
All users of JBoss Enterprise Application Platform 4.3.0 CP10 as provided from the Red Hat Customer Portal are advised to install this update.