Name 	Shutdown unprotected TNS Listener via Oracle Discoverer Servlet [AS01]
Systems Affected 	Oracle Discoverer Servlet
Severity 	        Low Risk
Category 	        Remote D.o.S.
Vendor URL 	        http://www.oracle.com/
Author 	            Alexander Kornbrust (ak at red-database-security.com)	 
Advisory 	        17 April 2007 (V 1.00)


Details
#######
The Oracle Discoverer Servlet contains a field for the database/tns alias. It is possible to send TNS STOP commands via this field and to shutdown unprotected Oracle TNS Listener.

This advisory is available at
<http://www.red-database-security.com/advisory/oracle_discoverer_servlet.html>


Patch Information
##################
Apply the patches for Oracle CPU April 2007.


History
#######
28-oct-2003 Oracle secalert was informed
29-oct-2003 Bug confirmed
17-apr-2007 Oracle published CPU April 2007 [AS01]
17-apr-2007 Advisory published


Additional Information
######################
An analysis of the Oracle CPU April 2007 is available here 
<http://www.red-database-security.com/advisory/oracle_cpu_apr_2007.html>

This document will be updated during the next few days and weeks with the latest information.


(c) 2007 by Red-Database-Security GmbH
--
http://www.red-database-security.com