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All system audit files must not have extended ACLs.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22369 | GEN002710 | SV-45211r1_rule | Medium |
| Description |
|---|
| If a user can write to the audit logs, then audit trails can be modified or destroyed and system intrusion may not be detected. |
| STIG | Date |
|---|---|
| SUSE Linux Enterprise Server v11 for System z Security Technical Implementation Guide | 2018-09-19 |
Details
| Check Text ( C-42559r1_chk ) |
|---|
| Check the system audit log files for extended ACLs. Procedure: # grep "^log_file" /etc/audit/auditd.conf|sed s/^[^\/]*//|xargs ls -l 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-38607r1_fix) |
|---|
| Remove the extended ACL from the system audit file(s). # setfacl --remove-all [audit file] |