82 lines
2.3 KiB
Ruby
82 lines
2.3 KiB
Ruby
##
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# This module requires Metasploit: http://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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require 'msf/core'
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require 'rex/proto/ipmi'
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class Metasploit3 < Msf::Auxiliary
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include Msf::Auxiliary::Report
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include Msf::Auxiliary::UDPScanner
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def initialize
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super(
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'Name' => 'IPMI 2.0 Cipher Zero Authentication Bypass Scanner',
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'Description' => %q|
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This module identifies IPMI 2.0 compatible systems that are vulnerable
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to an authentication bypass vulnerability through the use of cipher
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zero.
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|,
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'Author' => [ 'Dan Farmer <zen[at]fish2.com>', 'hdm' ],
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'License' => MSF_LICENSE,
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'References' =>
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[
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['URL', 'http://fish2.com/ipmi/cipherzero.html'],
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['OSVDB', '93038'],
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['OSVDB', '93039'],
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['OSVDB', '93040'],
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],
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'DisclosureDate' => 'Jun 20 2013'
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)
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register_options(
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[
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Opt::RPORT(623)
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], self.class)
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end
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def scanner_prescan(batch)
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print_status("Sending IPMI requests to #{batch[0]}->#{batch[-1]} (#{batch.length} hosts)")
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@res = {}
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end
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def scan_host(ip)
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console_session_id = Rex::Text.rand_text(4)
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scanner_send(
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Rex::Proto::IPMI::Utils.create_ipmi_session_open_cipher_zero_request(console_session_id),
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ip, datastore['RPORT']
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)
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end
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def scanner_process(data, shost, sport)
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info = Rex::Proto::IPMI::Open_Session_Reply.new(data) rescue nil
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return if not info
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return if not info.session_payload_type == Rex::Proto::IPMI::PAYLOAD_RMCPPLUSOPEN_REP
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# Ignore duplicate replies
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return if @res[shost]
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@res[shost] ||= info
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if info.error_code == 0
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print_good("#{shost}:#{sport} - IPMI - VULNERABLE: Accepted a session open request for cipher zero")
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report_vuln(
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:host => shost,
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:port => datastore['RPORT'].to_i,
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:proto => 'udp',
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:sname => 'ipmi',
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:name => 'IPMI 2.0 RAKP Cipher Zero Authentication Bypass',
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:info => "Accepted a session open request for cipher zero",
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:refs => self.references
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)
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else
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vprint_status("#{shost}:#{sport} - IPMI - NOT VULNERABLE: Rejected cipher zero with error code #{info.error_code}")
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end
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end
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end
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