The regular users default primary group must be staff (or equivalent) on AIX.
An XCCDF Rule
Description
The /usr/lib/security/mkuser.default file contains the default primary groups for regular and admin users. Setting a system group as the regular users' primary group increases the risk that the regular users can access privileged resources.
- ID
- SV-215182r958362_rule
- Version
- AIX7-00-001016
- Severity
- Medium
- References
- Updated
Remediation Templates
A Manual Procedure
Set the default primary groups for regular to be "staff".
# chsec -f /etc/security/mkuser.default -s user -a pgrp=staff