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Check: GEN003100

AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE: GEN003100 (in versions v1 r14 through v1 r10)

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 directory. # ls -ld /var/spool/cron/crontabs If the mode of the crontab directory is more permissive than 0755, this is a finding.

Fix Text

Change the mode of the crontab directory. # chmod 0755 /var/spool/cron/crontabs

Additional Identifiers

Rule ID: SV-27342r1_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