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Access to the cron utility must be controlled using the cron.allow and/or cron.deny file(s).
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-974 | GEN002960 | SV-27320r1_rule | ECLP-1 | Medium |
| Description |
|---|
| The cron facility allows users to execute recurring jobs on a regular and unattended basis. The cron.allow file designates accounts allowed to enter and execute jobs using the cron facility. If neither cron.allow nor cron.deny exists, then any account may use the cron facility. This may open the facility up for abuse by system intruders and malicious users. |
| STIG | Date |
|---|---|
| Red Hat Enterprise Linux 5 Security Technical Implementation Guide | 2013-04-10 |
Details
| Check Text ( C-28457r1_chk ) |
|---|
| Check for the existence of the cron.allow and cron.deny files. # ls -lL /etc/cron.allow # ls -lL /etc/cron.deny If neither file exists, this is a finding. |
| Fix Text (F-24560r1_fix) |
|---|
| Create /etc/cron.allow and/or /etc/cron.deny with appropriate content. |