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The /etc/group file must not have an extended ACL.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22338 | GEN001394 | SV-37357r1_rule | ECLP-1 | Medium |
| Description |
|---|
| The /etc/group file is critical to system security and must be protected from unauthorized modification. The group file contains a list of system groups and associated information. |
| STIG | Date |
|---|---|
| Red Hat Enterprise Linux 5 Security Technical Implementation Guide | 2013-04-10 |
Details
| Check Text ( C-36047r1_chk ) |
|---|
| Verify /etc/group has no extended ACL. # ls -l /etc/group 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-31291r1_fix) |
|---|
| Remove the extended ACL from the file. # setfacl --remove-all /etc/group |