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← Back to IBM AIX 7.x Security Technical Implementation Guide

V-215332

CAT II (Medium)

The AIX user home directories must not have extended ACLs.

Rule ID

SV-215332r991592_rule

STIG

IBM AIX 7.x Security Technical Implementation Guide

Version

V3R2

CCIs

CCI-000366

Discussion

Excessive permissions on home directories allow unauthorized access to user files.

Check Content

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

Remove the extended ACL from the user home directory and disable extended permissions: 
# acledit <directory>