Cisco Security Advisory – An ActiveX control (atucfobj.dll) that is used by the Cisco WebEx Meeting Manager contains a buffer overflow vulnerability that may result in a denial of service or remote code execution. The WebEx Meeting Manager is a client-side program that is provided by the Cisco WebEx meeting service. The Cisco WebEx meeting service automatically downloads, installs, and configures Meeting Manager the first time a user begins or joins a meeting. When users connect to the WebEx meeting service, the WebEx Meeting Manager is automatically upgraded to the latest version. There is a manual workaround available for users who are not able to connect to the WebEx meeting service.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/69131/cisco-sa-20080814-webex.txt
Source: https://packetstormsecurity.com/files/69131/Cisco-Security-Advisory-20080814-webex.html