STIGQter: STIG Summary: Oracle Linux 5 Security Technical Implementation Guide Version: 1 Release: 13 Benchmark Date: 26 Oct 2018: Crontab files must not have extended ACLs.

DISA Rule

SV-64381r1_rule

Vulnerability Number

V-22386

Group Title

GEN003090

Rule Version

GEN003090

Severity

CAT II

CCI(s)

• 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.

Weight

10

Fix Recommendation

Remove the extended ACL from the file.
# setfacl --remove-all [crontab file]

Check Contents

Check the permissions of the crontab files.
Procedure:

# ls -lL /var/spool/cron

# ls -lL /etc/cron.d /etc/crontab /etc/cron.daily /etc/cron.hourly /etc/cron.monthly /etc/cron.weekly
or
# ls -lL /etc/cron*|grep -v deny

If the permissions include a '+', the file has an extended ACL. If the file has an extended ACL and it has not been documented with the IAO, this is a finding.

Vulnerability Number

V-22386

Documentable

False

Rule Version

GEN003090

Severity Override Guidance

Check the permissions of the crontab files.
Procedure:

# ls -lL /var/spool/cron

# ls -lL /etc/cron.d /etc/crontab /etc/cron.daily /etc/cron.hourly /etc/cron.monthly /etc/cron.weekly
or
# ls -lL /etc/cron*|grep -v deny

If the permissions include a '+', the file has an extended ACL. If the file has an extended ACL and it has not been documented with the IAO, this is a finding.

Check Content Reference

M

Responsibility

System Administrator

Target Key

2207

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