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The audit system must be configured to audit changes to the /etc/sudoers file.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-51135 | OL6-00-000201 | SV-65345r2_rule | Low |
| Description |
|---|
| The actions taken by system administrators should be audited to keep a record of what was executed on the system, as well as, for accountability purposes. |
| STIG | Date |
|---|---|
| Oracle Linux 6 Security Technical Implementation Guide | 2017-08-25 |
Details
| Check Text ( C-53537r2_chk ) |
|---|
| To verify that auditing is configured for system administrator actions, run the following command: $ sudo grep -w "/etc/sudoers" /etc/audit/audit.rules If the system is configured to watch for changes to its sudoers configuration, a line should be returned (including "-p wa" indicating permissions that are watched). If there is no output, this is a finding. |
| Fix Text (F-55943r1_fix) |
|---|
| At a minimum, the audit system should collect administrator actions for all users and root. Add the following to "/etc/audit/audit.rules": -w /etc/sudoers -p wa -k actions |