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AIX cron and crontab directories must have a mode of 0640 or less permissive.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-245560 | AIX7-00-002143 | SV-245560r755121_rule | Medium |
| Description |
|---|
| Incorrect permissions of the cron or crontab directories could permit unauthorized users the ability to alter cron jobs and run automated jobs as privileged users. Failure to set proper permissions of cron or crontab directories provides unauthorized users with the potential to access sensitive information or change the system configuration which could weaken the system's security posture. |
| STIG | Date |
|---|---|
| IBM AIX 7.x Security Technical Implementation Guide | 2021-11-19 |
Details
| Check Text ( C-48839r755119_chk ) |
|---|
| Check the mode of the "crontab" directory using command: # ls -ld /var/spool/cron/crontabs drw-r----- 2 bin cron 256 Jan 25 12:33 /var/spool/cron/crontabs If the file has a mode more permissive than "0640", this is a finding. |
| Fix Text (F-48794r755120_fix) |
|---|
| Change the owner of the "crontab" directory: # chmod 640 /var/spool/cron/crontabs |