CVE-2009-4118 Information

Description

The StartServiceCtrlDispatcher function in the cvpnd service (cvpnd.exe) in Cisco VPN client for Windows before 5.0.06.0100 does not properly handle an ERROR_FAILED_SERVICE_CONTROLLER_CONNECT error which allows local users to cause a denial of service (service crash and VPN connection loss) via a manual start of cvpnd.exe while the cvpnd service is running.

Reference

http://packetstormsecurity.org/0911-exploits/sybsec-adv17.txt http://secunia.com/advisories/37419 http://tools.cisco.com/security/center/viewAlert.x?alertId=19445 http://www.securityfocus.com/bid/37077 http://www.vupen.com/english/advisories/2009/3296