The AIX user home directories must not have extended ACLs.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-215332 | AIX7-00-003019 | SV-215332r991592_rule | CCI-000366 | medium |
| Description | ||||
| Excessive permissions on home directories allow unauthorized access to user files. | ||||
| STIG | Date | |||
| IBM AIX 7.x Security Technical Implementation Guide | 2024-08-16 | |||
Details
Check Text (C-215332r991592_chk)
Verify user home directories have no extended ACLs using command:
# cat /etc/passwd | cut -f 6,6 -d ":" | xargs -n1 aclget
*
* ACL_type AIXC
*
attributes:
base permissions
owner(root): rwx
group(system): r-x
others: r---
extended permissions
disabled
If extended permissions are not disabled, this is a finding.
Fix Text (F-16528r294448_fix)
Remove the extended ACL from the user home directory and disable extended permissions:
# acledit <directory>