full-disclosure - Re: Solaris telnet vulnberability

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Date: Wed, 14 Feb 2007 08:40:51 +0100
From: Casper.Dik@....COM
To: Joe Shamblin <wjs@...duke.edu>
Cc: Oliver Friedrichs <oliver_friedrichs@...antec.com>,
	bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk,
	Gadi Evron <ge@...uxbox.org>
Subject: Re: Solaris telnet vulnberability - how many on
	your network?


>> The simplest possible fix on such short notice:
>> 
>> http://cvs.opensolaris.org/source/diff/onnv/onnv-gate/usr/src/cmd/cmd-inet/usr.sbin/in.telnetd.c
?r2=3629&r1=2923
>> 
>> Casper
>
>
>How about just uncommenting the following from /etc/default/login
>
># If CONSOLE is set, root can only login on that device.
># Comment this line out to allow remote login by root.
>#
>CONSOLE=/dev/console
>
>Not a fix to be sure, but at least prevents a remote login.

That is the default; and preventing root logins does not prevent
other logins.

"svcadm disable telnet" is the best fix (and there's really no
reason to enable it)

Casper

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