UCF STIG Viewer Logo

Crontab files must not have extended ACLs.


Overview

Finding ID Version Rule ID IA Controls Severity
V-22386 GEN003090 M6 SV-38110r1_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
MAC OSX 10.6 Workstation Security Technical Implementation Guide Draft 2013-01-10

Details

Check Text ( C-37644r1_chk )
Open a terminal session and enter the following commands to view the extended ACLs of the crontab file.

ls -lL /usr/sbin/cron
ls -lL /usr/lib/cron
ls -lL /usr/bin/crontab
ls -lL /private/var/at/cron.deny

If the permissions include a '+', the file has an extended ACL, this is a finding.
Fix Text (F-32885r1_fix)
Open a terminal session and enter the following command to remove the extended ACLs.

chmod -N