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The AIX user home directories must not have extended ACLs.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-91767 | AIX7-00-003019 | SV-101865r1_rule | Medium |
| Description |
|---|
| Excessive permissions on home directories allow unauthorized access to user files. |
| STIG | Date |
|---|---|
| IBM AIX 7.x Security Technical Implementation Guide | 2020-02-24 |
Details
| Check Text ( C-90921r3_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-97965r1_fix) |
|---|
| Remove the extended ACL from the user home directory and disable extended permissions: # acledit |