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The /etc/nsswitch.conf file must not have an extended ACL.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22330 | GEN001374 | SV-64545r1_rule | Medium |
| Description |
|---|
| The nsswitch.conf file (or equivalent) configures the source of a variety of system security information including account, group, and host lookups. Malicious changes could prevent the system from functioning or compromise system security. |
| STIG | Date |
|---|---|
| Oracle Linux 5 Security Technical Implementation Guide | 2017-03-01 |
Details
| Check Text ( C-52959r1_chk ) |
|---|
| Verify /etc/nsswitch.conf has no extended ACL. # ls -l /etc/nsswitch.conf 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-55141r1_fix) |
|---|
| Remove the extended ACL from the file. # setfacl --remove-all /etc/nsswitch.conf |