Check: GEN003140
AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE:
GEN003140
(in versions v1 r14 through v1 r10)
Title
Cron and crontab directories must be group-owned by system, sys, bin, or cron. (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. Failure to give group ownership of cron or crontab directories to a system group provides the designated group and unauthorized users with the potential to access sensitive information or change the system configuration which could weaken the system's security posture.
Check Content
Check the group owner of cron and crontab directories. Procedure: # ls -ld /var/spool/cron/crontabs If a cron or crontab directory is not group-owned by sys, system, bin, or cron, this is a finding.
Fix Text
Change the group owner of the crontab directories to sys, system, bin, or cron. Procedure: # chown cron /var/spool/cron/crontabs
Additional Identifiers
Rule ID: SV-39104r1_rule
Vulnerability ID: V-981
Group Title: GEN003140
Expert Comments
CCIs
| 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
| Number | Title |
|---|---|
| AC-6 |
Least Privilege |