The cron.deny file must not have an extended ACL.

From Oracle Linux 5 Security Technical Implementation Guide

Associated with: CCI-000225

SV-64331r1_rule The cron.deny file must not have an extended ACL.

Vulnerability discussion

If there are excessive file permissions for the cron.deny file, sensitive information could be viewed or edited by unauthorized users.

Check content

Check the permissions of the file. # ls -lL /etc/cron.deny If the permissions include a '+', the file has an extended ACL. If the file has an extended ACL and it has not been documented with the IAO, this is a finding.

Fix text

Remove the extended ACL from the file. # setfacl --remove-all /etc/cron.deny

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