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Solaris finger disclosure

Article ID: 10788
Last updated: 27 Jan, 2009
Views: 467
Posted: 22 Jan, 2009
by: Tech Pubs S.
Updated: 27 Jan, 2009
by: Tech Pubs S.

Solaris finger disclosure

This script is Copyright (C) 2001 Renaud Deraison

FamilyFinger abuses
Plugin ID10788
Bugtraq ID3457
CVE IDCVE-2001-1503

Description:

There is a bug in the remote finger service which, when triggered, allows
a user to force the remote finger daemon to display the list of the accounts
that have never been used, by issuing the request :

finger a b c d e f g h@target

This list will help an attacker to guess the operating system type. It will
also tell him which accounts have never been used, which will often make him
focus his attacks on these accounts.

Solution : disable the finger service in /etc/inetd.conf and restart the inetd
process, or apply the relevant patches from Sun Microsystems.

Risk factor : Medium
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