UCF STIG Viewer Logo

Cron and crontab directories must not have extended ACLs.


Overview

Finding ID Version Rule ID IA Controls Severity
V-22387 GEN003110 SV-26537r1_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 cron and crontab directories may provide unauthorized access to these directories. Unauthorized modifications to these directories or their contents may result in the addition of unauthorized cron jobs or deny service to authorized cron jobs.
STIG Date
SOLARIS 9 X86 SECURITY TECHNICAL IMPLEMENTATION GUIDE 2015-10-01

Details

Check Text ( C-27585r1_chk )
Check the permissions of the crontab directories.
# ls -ld /var/spool/cron/crontabs/

If the permissions include a "+", the directory has an extended ACL and this is a finding.

Fix Text (F-23778r1_fix)
Remove the extended ACL from the directory.
# getfacl [crontab directory]
Remove each ACE returned.
# setfacl -d [ACE] [crontab directory]