89 lines
2.7 KiB
Ruby
89 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::WmapScanServer
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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
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super(
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'Name' => 'HTTP Options Detection',
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'Description' => 'Display available HTTP options for each system',
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'Author' => ['CG'],
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'License' => MSF_LICENSE,
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'References' => [
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['CVE', '2005-3398'], # HTTP Trace related
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['CVE', '2005-3498'], # HTTP Trace related
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['OSVDB', '877'],
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['BID', '11604'],
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['BID', '9506'],
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['BID', '9561'],
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['URL', 'https://developer.mozilla.org/en-US/docs/Web/HTTP/Methods/OPTIONS']
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]
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)
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register_options(
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[
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OptString.new('TARGETURI', [true, 'URI to test', '/']),
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]
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)
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end
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def run_host(target_host)
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res = send_request_cgi({
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'uri' => datastore['TARGETURI'],
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'method' => 'OPTIONS'
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})
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return unless res
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# Patch so that we can catch a Tomcat edge case.
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# Tomcat may respond to OPTIONS requests with the verbs in the
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# HTTP body, instead of the Allow header.
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# https://github.com/rapid7/metasploit-framework/issues/12557#issuecomment-552263162
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# https://stackoverflow.com/questions/23886941/http-status-405-jsps-only-permit-get-post-or-head
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if res.body && res.body =~ %r{<h1>HTTP Status 405 - JSPs only permit ([^<]*)</h1>}
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res.headers['Allow'] = ::Regexp.last_match(1).sub(' or ', ' ').gsub(' ', ', ')
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end
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unless res.headers['Allow']
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vprint_error("#{target_host} missing Allow header")
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return
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end
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allowed_methods = res.headers['Allow']
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print_good("#{target_host} allows #{allowed_methods} methods")
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report_note(
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host: target_host,
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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: 'HTTP_OPTIONS',
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data: allowed_methods
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)
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if allowed_methods.index('TRACE')
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print_good "#{target_host}:#{rport} - TRACE method allowed."
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report_vuln(
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host: target_host,
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port: rport,
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proto: 'tcp',
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sname: (ssl ? 'https' : 'http'),
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name: 'HTTP Trace Method Allowed',
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info: "Module #{fullname} detected TRACE access through the Allow header: #{allowed_methods}",
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refs: references,
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exploited_at: Time.now.utc
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)
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end
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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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