AIX package management tool must be used daily to verify system software.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-215426	AIX7-00-003131	SV-215426r508663_rule		Medium

Description
Verification using the system package management tool can be used to determine that system software has not been tampered with. This requirement is not applicable to systems not using package management tools.

STIG	Date
IBM AIX 7.x Security Technical Implementation Guide	2022-06-06

Details

Check Text ( C-16624r294729_chk )
Check the root crontab for a daily job invoking the system package management tool to verify the integrity of installed packages. From the command prompt, run the following command: # crontab -l | grep lppchk 55 22 * * * /lppchk.sh # Daily LPP check script If no such job exists, this is a finding.

Fix Text (F-16622r294730_fix)
Add a job to the root crontab invoking the following system package management tool to verify the integrity of installed packages and email the result to root user. Run the following command to add the cron job: # crontab -e Within crontab command, add the following daily job to the cron table, then save the change: 0 23 * * * /usr/bin/lppchk -c > /tmp/111 2>&1; sendmail root < /tmp/111