96 lines
2.7 KiB
Ruby
96 lines
2.7 KiB
Ruby
##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Auxiliary
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# Exploit mixins should be called first
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include Msf::Exploit::Remote::HttpClient
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include Msf::Auxiliary::WmapScanDir
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include Msf::Auxiliary::WmapScanFile
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# Scanner mixin should be near last
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include Msf::Auxiliary::Scanner
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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' => 'HTTP Verb Authentication Bypass Scanner',
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'Description' => %q{
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This module test for authentication bypass using different HTTP verbs.
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},
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'Author' => ['et [at] metasploit.com'],
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'License' => BSD_LICENSE))
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register_options(
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[
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OptString.new('TARGETURI', [true, "The path to test", '/'])
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])
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end
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def run_host(ip)
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begin
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test_verbs(ip)
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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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def test_verbs(ip)
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verbs = [ 'HEAD', 'TRACE', 'TRACK', 'Wmap', 'get', 'trace' ]
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res = send_request_raw({
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'uri' => normalize_uri(target_uri.path),
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'method' => 'GET'
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}, 10)
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return if not res
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if not res.headers['WWW-Authenticate']
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print_status("#{full_uri} - Authentication not required [#{res.code}]")
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return
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end
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auth_code = res.code
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print_status("#{full_uri} - Authentication required: #{res.headers['WWW-Authenticate']} [#{auth_code}]")
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report_note(
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:host => ip,
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:proto => 'tcp',
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:sname => (ssl ? 'https' : 'http'),
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:port => rport,
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:type => 'WWW_AUTHENTICATE',
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:data => "#{target_uri.path} Realm: #{res.headers['WWW-Authenticate']}",
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:update => :unique_data
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)
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verbs.each do |tv|
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resauth = send_request_raw({
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'uri' => normalize_uri(target_uri.path),
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'method' => tv
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}, 10)
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next if not resauth
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print_status("#{full_uri} - Testing verb #{tv} [#{resauth.code}]")
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if resauth.code != auth_code and resauth.code <= 302
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print_good("#{full_uri} - Possible authentication bypass with verb #{tv} [#{resauth.code}]")
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# Unable to use report_web_vuln as method is not in list of allowed methods.
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report_note(
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:host => ip,
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:proto => 'tcp',
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:sname => (ssl ? 'https' : 'http'),
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:port => rport,
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:type => 'AUTH_BYPASS_VERB',
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:data => "#{target_uri.path} Verb: #{tv}",
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:update => :unique_data
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)
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end
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end
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end
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end
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