The \Device\SandBox driver in Outpost Firewall PRO 4.0 (964.582.059) allows local users to cause a denial of service (system crash) via an invalid argument to the DeviceIoControl function that triggers an invalid memory operation.
https://exchange.xforce.ibmcloud.com/vulnerabilities/29969
http://www.vupen.com/english/advisories/2006/4309
http://www.securityfocus.com/archive/1/450293/100/0/threaded
http://securitytracker.com/id?1017150