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Skeleton files must not have extended ACLs.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22357 | GEN001810 | SV-37297r1_rule | ECLP-1 | Medium |
| Description |
|---|
| If the skeleton files are not protected, unauthorized personnel could change user startup parameters and possibly jeopardize user files. |
| STIG | Date |
|---|---|
| Red Hat Enterprise Linux 5 Security Technical Implementation Guide | 2016-06-01 |
Details
| Check Text ( C-35991r2_chk ) |
|---|
| Check skeleton files for extended ACLs: # ls -alL /etc/skel If the permissions include a '+', the file has an extended ACL. If the file has an extended ACL and it has not been documented with the IAO, this is a finding. |
| Fix Text (F-31245r1_fix) |
|---|
| Remove the extended ACL from the file. # setfacl --remove-all [skeleton file with extended ACL] or: # ls -lL /etc/skel|grep "\+ "|sed "s/^.* \//|xargs setfacl --remove-all will remove all ACLs from the files. |