Navigate

Check: GEN003250 M6

MACOSX 10.6: GEN003250 M6 (in version v1 r3)

Title

The cron.allow file must be group-owned by wheel. (Cat II impact)

Discussion

If the group of the cron.allow is not set to wheel, the possibility exists for an unauthorized user to view or edit the list of users permitted to use cron. Unauthorized modification of this file could cause Denial of Service to authorized cron users or provide unauthorized users with the ability to run cron jobs.

Check Content

Open a terminal session and enter the following command to verify the group ownership of the cron.allow file. ls -lL /private/var/at/cron.allow If the file exists and is not group owned by wheel, this is a finding.

Fix Text

Open a terminal session and enter the following command. chgrp wheel /private/var/at/cron.allow

Additional Identifiers

Rule ID: SV-38117r1_rule

Vulnerability ID: V-22391

Group Title:

Expert Comments

Expert comments are only available to logged-in users.

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