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Check: GEN003100

SUSE Linux Enterprise Server v11 for System z STIG: GEN003100 (in versions v1 r12 through v1 r9)

Title

Cron and crontab directories must have mode 0755 or less permissive. (Cat II impact)

Discussion

To protect the integrity of scheduled system jobs and to prevent malicious modification to these jobs, crontab files must be secured.

Check Content

Check the mode of the crontab directories. Procedure: # ls -ld /var/spool/cron /var/spool/cron/tabs ls -ld /etc/crontab /etc/cron.{d,daily,hourly,monthly,weekly} or # ls -ld /etc/cron*|grep -v deny If the mode of any of the crontab directories is more permissive than 0755, this is a finding.

Fix Text

Change the mode of the crontab directories. # chmod 0755 <crontab directory>

Additional Identifiers

Rule ID: SV-45602r1_rule

Vulnerability ID: V-979

Group Title: GEN003100

Expert Comments

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CCIs

CCIs tied to check.

Number	Definition
CCI-000225	The organization employs the concept of least privilege, allowing only authorized accesses for users (and processes acting on behalf of users) which are necessary to accomplish assigned tasks in accordance with organizational missions and business functions.

Controls

Controls tied to check. These are derived from the CCIs shown above.

Number	Title
AC-6	Least Privilege