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Crontab files must not have extended ACLs.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22386 | GEN003090 | SV-38782r1_rule | ECLP-1 | Medium |
| Description |
|---|
| To protect the integrity of scheduled system jobs and to prevent malicious modification to these jobs, crontab files must be secured. ACLs on crontab files may provide unauthorized access to the files. |
| STIG | Date |
|---|---|
| Draft AIX Security Technical Implementation Guide | 2011-08-17 |
Details
| Check Text ( C-37204r1_chk ) |
|---|
| Check the permissions of the crontab files. Get a listing of crontab files. #ls /var/spool/cron/crontabs Check all of the crontabls listed for an extended ACL. #aclget Check if extended permissions are disabled. If extended permissions are not disabled, this is a finding. |
| Fix Text (F-32474r1_fix) |
|---|
| Remove the extended ACL from the crontab file(s) and disable extended permissions. #acledit |