The AIX root accounts home directory must not have an extended ACL.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-215199AIX7-00-001040SV-215199r991592_ruleCCI-000366medium
Description
Excessive permissions on root home directories allow unauthorized access to root user files.
STIGDate
IBM AIX 7.x Security Technical Implementation Guide2024-08-16

Details

Check Text (C-215199r991592_chk)

Verify the "root" account's home directory has no extended ACL using command: # aclget ~root * * ACL_type AIXC * attributes: base permissions owner(root): rwx group(system): --- others: --- extended permissions disabled If extended permissions are enabled, the directory has an extended ACL, and this is a finding.

Fix Text (F-16395r294049_fix)

Remove the extended ACL from the "root" account's home directory using command: # acledit ~root Change extended attributes to disabled.