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The finger daemon must be disabled on AIX.


Overview

Finding ID Version Rule ID IA Controls Severity
V-215389 AIX7-00-003084 SV-215389r508663_rule Medium
Description
The fingerd daemon provides the server function for the finger command. This allows users to view real-time pertinent user login information on other remote systems. This service should be disabled as it may provide an attacker with a valid user list to target.
STIG Date
IBM AIX 7.x Security Technical Implementation Guide 2023-05-17

Details

Check Text ( C-16587r294618_chk )
From the command prompt, execute the following command:
# grep "^finger[[:blank:]]" /etc/inetd.conf

If there is any output from the command, this is a finding.
Fix Text (F-16585r294619_fix)
In "/etc/inetd.conf", comment out the "finger" entry by running command:
# chsubserver -r inetd -C /etc/inetd.conf -d -v 'finger' -p 'tcp'

Restart inetd:
# refresh -s inetd