Java API for XML Web Services (JAX-WS) is a technology for developing web services in Java. It is included in the Java EE 5 platform.
A vulnerability in JAX-WS when handling the gmbal package allows code execution outside the sandbox, allowing arbitrary code execution when a user loads a malicious applet.
Upgrade to JDK or JRE 7 Update 8 or higher.
Exploit works on Oracle JRE 7 Update 7 on Windows XP SP3 (DEP OptIn) and Windows 7 SP1 (DEP OptIn) with Internet Explorer 8 or 9, Apple Mac OS X 10.7.5 with Safari, or Ubuntu 12.04.1 with Firefox.
The netcat utility (nc) must be installed on Mac OS X and Linux targets.
Mac OS X