JBossMQ HTTP Invocation Layer (HTTPServerILServlet) - Unauthenticated Java Deserialization

The JMS over HTTP Invocation Layer in JBossMQ, as implemented in HTTPServerILServlet.java in JBoss Application Server AS 4.x and earlier, does not properly restrict the classes that can be deserialized from the raw POST body. This allows remote attackers to execute arbitrary code or cause a denia...