IBM Sterling Secure Proxy 6.0.3.0 6.0.2.0 and 3.4.3.2 and IBM Sterling External Authentication Server are vulnerable a buffer overflow due to the Jetty based GUI in the Secure Zone not properly validating the sizes of the form content and/or HTTP headers submitted. A local attacker positioned inside the Secure Zone could submit a specially crafted HTTP request to disrupt service. IBM X-Force ID: 219133.