CVE-2007-4968
Privatefirewall 5.0.14.2 does not properly validate certain parameters to System Service Descriptor Table (SSDT) function handlers, which allows local users to cause a denial of service (crash) and possibly gain privileges via kernel SSDT hooks for (1) NtOpenProcess and (2) NtOpenThread.
Date published : 2007-09-18
http://www.securityfocus.com/bid/25712
http://www.securityfocus.com/archive/1/479830/100/0/threaded