The cron.allow file must have mode 0600 or less permissive.

From Red Hat Enterprise Linux 5 Security Technical Implementation Guide

Part of GEN002980

Associated with IA controls: ECLP-1

Associated with: CCI-000225

SV-27326r1_rule The cron.allow file must have mode 0600 or less permissive.

Vulnerability discussion

A readable and/or writable cron.allow file by users other than root could allow potential intruders and malicious users to use the file contents to help discern information, such as who is allowed to execute cron programs, which could be harmful to overall system and network security.

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Fix text

Change the mode of the cron.allow file to 0600. Procedure: # chmod 0600 /etc/cron.allow

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