Directory traversal vulnerability in the WebLaunch.WeblaunchCtl.1 (aka CWebLaunchCtl) ActiveX control in weblaunch.ocx 1.0.0.1 in Gateway Weblaunch allows remote attackers to execute arbitrary programs via a ..\ (dot dot backslash) in the second argument to the DoWebLaunch method. NOTE: some of these details are obtained from third party information.