RE: Listener Vulnerabilities - how to address them
- From: "Johnson, William L (TEIS)" <WLJohnson@xxxxxxxxxxxxxxxxxxx>
- To: <tony@xxxxxxxxxxxxxxx>, "Oracle List" <oracle-l@xxxxxxxxxxxxx>
- Date: Wed, 9 Apr 2008 12:52:55 -0400
If I am not mistaken, you can still password protect your listener and
then write a wrapper script around your listener commands that will
permit you to stop and start the listener through batch processes. As
long as you take the time to ensure the listener.ora file is only
readable by the Oracle account - and no other accounts on the machine,
you should be good to go.
You can set the password for a listener command by picking up the
password out of the listener.ora file.
-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Tony Sequeira
Sent: Wednesday, April 09, 2008 12:20 PM
To: Oracle List
Subject: Listener Vulnerabilities - how to address them
Hi All,
Most of you are probably aware of the following document, or similar.
http://www.integrigy.com/security-resources/whitepapers/Integrigy_Oracle
_Listener_TNS_Security.pdf
We support roughly 100 Oracle databases ranging from 8i to 10g, running
on Windows and Unix (Solaris), mostly 9i.
The above documentation has been brought to our attention by one of our
users. The questions being asked are:
Are we vulnerable?
If so, how do you propose to address that?
I'm still doing some investigation, thought I would see if someone here
has:
1) Come across this problem and sorted it
2) Known about this problem, and taken it into account on installation
of Oracle
3) Decided that it's not as bad as it seems, and has disregarded it.
Initial reaction from our team is that setting passwords for the
listeners would break backup scripts, apparently the listener is stopped
for backups. Hardcoding passwords in these scripts is not really an
option.
We are setting in place a plan for applying CPUs to the servers. But as
I understand it, these vulnerabilities are not addressed by the CPUs.
Anyone?
--
S. Anthony Sequeira
++
Ralph's Observation:
It is a mistake to let any mechanical object realise that you
are in a hurry.
++
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