AIX must provide the lock command to let users retain their session lock until users are reauthenticated.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-91229	AIX7-00-001028	SV-101329r1_rule		Medium

Description
All systems are vulnerable if terminals are left logged in and unattended. Leaving system terminals unsecure poses a potential security hazard. To lock the terminal, use the lock command.

STIG	Date
IBM AIX 7.x Security Technical Implementation Guide	2020-02-24

Details

Check Text ( C-90385r3_chk )
Check the system to determine if "bos.rte.security" is installed: # lslpp -L bos.rte.security Fileset Level State Type Description (Uninstaller) ---------------------------------------------------------------------------- bos.rte.security 7.2.1.1 C F Base Security Function If the "bos.rte.security" fileset is not installed, this is a finding. Check if lock command exist using the following command: # ls /usr/bin/lock The above command should display the following: /usr/bin/lock If the above command does not show that "/usr/bin/lock" exists, this is a finding.

Check Text ( C-90385r3_chk )

Check the system to determine if "bos.rte.security" is installed:

# lslpp -L bos.rte.security
Fileset Level State Type Description (Uninstaller)
----------------------------------------------------------------------------
bos.rte.security 7.2.1.1 C F Base Security Function

If the "bos.rte.security" fileset is not installed, this is a finding.

Check if lock command exist using the following command:
# ls /usr/bin/lock

The above command should display the following:
/usr/bin/lock

If the above command does not show that "/usr/bin/lock" exists, this is a finding.

Fix Text (F-97429r1_fix)
Install "bos.rte.security" fileset from the AIX DVD Volume 1 using the following command (assuming that the DVD device is mounted to /dev/cd0): # installp -aXYgd /dev/cd0 -e /tmp/install.log bos.rte.security