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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-215187 AIX7-00-001028 SV-215187r508663_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 2021-06-16

Details

Check Text ( C-16385r294012_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-16383r294013_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