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System audit tool executables must not have extended ACLs.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22373 | GEN002718 | SV-26513r1_rule | ECLP-1 | Low |
| Description |
|---|
| To prevent unauthorized access or manipulation of system audit logs, the tools for manipulating those logs must be protected. |
| STIG | Date |
|---|---|
| Red Hat Enterprise Linux 5 Security Technical Implementation Guide | 2013-04-10 |
Details
| Check Text ( C-27567r1_chk ) |
|---|
| Check the permissions of audit tool executables. # ls -l /sbin/auditctl /sbin/auditd /sbin/ausearch /sbin/aureport /sbin/autrace /sbin/audispd If the permissions include a '+' the file has an extended ACL, this is a finding. |
| Fix Text (F-23749r1_fix) |
|---|
| Remove the extended ACL from the file. # setfacl --remove-all [audit file] |