77 lines
1.7 KiB
Ruby
77 lines
1.7 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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include Msf::Exploit::Remote::Tcp
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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' => 'X11 No-Auth Scanner',
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'Description' => %q{
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This module scans for X11 servers that allow anyone
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to connect without authentication.
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},
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'Author' => ['tebo <tebodell[at]gmail.com>'],
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'References' =>
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[
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['OSVDB', '309'],
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['CVE', '1999-0526'],
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],
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'License' => MSF_LICENSE
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)
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register_options([
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Opt::RPORT(6000)
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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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connect
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# X11.00 Null Auth Connect
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sock.put("\x6c\x00\x0b\x00\x00\x00\x00\x00\x00\x00\x00\x00")
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response = sock.get_once
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disconnect
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if response
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success = response[0,1].unpack('C')[0]
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else
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print_error("No response received due to a timeout")
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return
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end
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if(success == 1)
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vendor_len = response[24,2].unpack('v')[0]
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vendor = response[40,vendor_len].unpack('A*')[0]
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print_good("#{ip} Open X Server (#{vendor})")
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# Add Report
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report_note(
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:host => ip,
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:proto => 'tcp',
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:sname => 'x11',
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:port => rport,
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:type => 'Open X Server',
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:data => "Open X Server (#{vendor})"
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)
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elsif (success == 0)
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print_error("#{ip} Access Denied")
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else
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# X can return a reason for auth failure but we don't really care for this
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end
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rescue ::Rex::ConnectionError
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rescue ::Errno::EPIPE
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end
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end
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end
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