Crontab files must not have extended ACLs.

From HP-UX 11.31 Security Technical Implementation Guide

Part of GEN003090

Associated with IA controls: ECLP-1

Associated with: CCI-000225

SV-38359r1_rule Crontab files must not have extended ACLs.

Vulnerability discussion

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.

Check content

Check the permissions of the crontab files. # ls -lL /var/spool/cron/crontabs If the permissions include a "+", the file has an extended ACL, this is a finding.

Fix text

Remove the optional ACL from the file. # chacl -z

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