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Check: GEN003050

VMware ESX 3 Server: GEN003050 (in version v1 r2)

Title

Crontab files must be group-owned by root, cron, or the crontab creator's primary group. (Cat II impact)

Discussion

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

Check Content

Check the group ownership of the crontab files. # ls -lL /var/spool/cron/crontabs/ If the group owner is not root, cron, or the crontab owner's primary group, this is a finding.

Fix Text

Change the group owner of the crontab file to root, cron, or the crontab's primary group. Procedure: # chgrp root [crontab file]

Additional Identifiers

Rule ID: SV-26531r1_rule

Vulnerability ID: V-22385

Group Title: GEN003050

Expert Comments

Expert comments are only available to logged-in users.

CCIs

CCIs tied to check.

Number	Definition
CCI-000225	Employ the principle of least privilege, allowing only authorized accesses for users (or processes acting on behalf of users) which are necessary to accomplish assigned organizational tasks.

Controls

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

Number	Title
AC-6	Least Privilege