The JBoss EAP 430CP09 security updates for Red Hat Enterprise Linux 4, Red Hat Enterprise Linux 5 and the Customer Support Portal did not, unlike the erratum text stated, provide a fix for CVE-2010-3862, a Denial-of-Service (DoS) flaw in the jboss-remoting component. A missing patch is considered a security regression, and requires a new CVE name. This regression is assigned CVE-2010-4265. It fixes the same issue as CVE-2010-3862 and is specific to JBoss EAP 430CP09.

The org.jboss.remoting.transport.bisocket.BisocketServerInvoker$SecondaryServerSocketThread.run method in JBoss Remoting 2.2.x before 2.2.3.SP4 and 2.5.x before 2.5.3.SP2 in Red Hat JBoss Enterprise Application Platform (aka JBoss EAP or JBEAP) 4.3 through 4.3.0.CP09, and 5.1.0; and JBoss Enterprise Web Platform (aka JBEWP) 5.1.0; allows remote attackers to cause a denial of service (daemon outage) by establishing a bisocket control connection TCP session, and then not sending any application data.

jboss-seam.jar in the JBoss Seam 2 framework 2.2.x and earlier, as distributed in Red Hat JBoss Enterprise SOA Platform 4.3.0.CP05 and 5.1.0; JBoss Enterprise Application Platform (aka JBoss EAP or JBEAP) 4.3.0, 4.3.0.CP09, and 5.1.1; and JBoss Enterprise Web Platform 5.1.1, does not properly restrict use of Expression Language (EL) statements in FacesMessages during page exception handling, which allows remote attackers to execute arbitrary Java code via a crafted URL to an application. NOTE: this vulnerability exists because of an incomplete fix for CVE-2011-1484.

jboss-seam.jar in the JBoss Seam 2 framework 2.2.x and earlier, as distributed in Red Hat JBoss Enterprise SOA Platform 4.3.0.CP04 and 5.1.0 and JBoss Enterprise Application Platform (aka JBoss EAP or JBEAP) 4.3.0.CP09 and 5.1.0, does not properly restrict use of Expression Language (EL) statements in FacesMessages during page exception handling, which allows remote attackers to execute arbitrary Java code via a crafted URL to an application.