GEN:SID 1:1541
Message FINGER version query
Summary This event is generated when an attempt is made to ascertain which
version of fingerd is running on a host.
Impact Information gathering.
Detailed Information This event indicates that an attempt has been made to ascertain which
version of the finger daemon is running on a host. This may be the
prelude to an attack against that finger daemon.
Affected Systems Any host running fingerd.
Attack Scenarios An attacker can determine which version of fingerd is running then
attempt to exploit fingerd if it is found to be vulnerable to attack.
Ease of Attack Simple.
Corrective Action Disallow access to fingerd from sources external to the protected
network.

Disable the finger daemon.
Additional References GNU Finger Manual:
http://www.gnu.org/software/finger/manual/