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Oracle TNS Listener
From: "Chitresh Sen" <chitresh_sen () ftml net>
Date: Thu, 01 Sep 2005 18:41:10 -0700

Dear All,

Vulnerability: Oracle TNS listener without password;
Implication: Remote attacker can control the listener;

In order to test the above vulnerability I had done the following:

1. Installed the Oracle 9i client on my laptop
2. Copy the lsnrctl.exe from Oracle 8 server
3. Configured the listener.ora file as follows

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS_LIST =
        (ADDRESS = (PROTOCOL = TCP)(HOST = JUNK)(PORT = 1521))
      )
    )

But I am unable to execute the commands on remote listener and getting
the following error.

LSNRCTL> status
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=JUNK)(PORT=152
1))(CONNECT_DATA=(SERVICE_NAME=chitresh)))
TNS-12538: TNS:no such protocol adapter
TNS-12560: TNS:protocol adapter error
  TNS-00508: No such protocol adapter

    TNS-12538: TNS:no such protocol adapter
     TNS-12560: TNS:protocol adapter error
      TNS-00508: No such protocol adapter

What can be the problem ? is it the version problem for lsnrctl.exe
because I was unable to get the Oracle 9i server lsnrctl.exe so I had
taken from oracle 8 server and copies all its dll and set the path to
execute it, or am I missing something.

Regards
Chitresh
-- 
  Chitresh Sen
  chitresh_sen () ftml net

-- 
http://www.fastmail.fm - The way an email service should be


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