Linux Baseline tests are failing for os-13

[mfortin]

Describe the bug
Controls for test os-13 from the linux baseline is failing.

Expected behavior
Pass results for those tests.

Actual behavior

  ×  os-13: Protect cron directories and files (12 failed)
1513     ✔  File /etc/crontab is expected to be owned by "root"
1514     ✔  File /etc/crontab is expected not to be writable by group
1515     ✔  File /etc/crontab is expected not to be writable by other
1516     ×  File /etc/crontab is expected not to be readable by group
1517     expected File /etc/crontab not to be readable by group
1518     ×  File /etc/crontab is expected not to be readable by other
1519     expected File /etc/crontab not to be readable by other
1520     ✔  File /etc/cron.hourly is expected to be owned by "root"
1521     ✔  File /etc/cron.hourly is expected not to be writable by group
1522     ✔  File /etc/cron.hourly is expected not to be writable by other
1523     ×  File /etc/cron.hourly is expected not to be readable by group
1524     expected File /etc/cron.hourly not to be readable by group
1525     ×  File /etc/cron.hourly is expected not to be readable by other
1526     expected File /etc/cron.hourly not to be readable by other
1527     ✔  File /etc/cron.daily is expected to be owned by "root"
1528     ✔  File /etc/cron.daily is expected not to be writable by group
1529     ✔  File /etc/cron.daily is expected not to be writable by other
1530     ×  File /etc/cron.daily is expected not to be readable by group
1531     expected File /etc/cron.daily not to be readable by group
1532     ×  File /etc/cron.daily is expected not to be readable by other
1533     expected File /etc/cron.daily not to be readable by other
1534     ✔  File /etc/cron.weekly is expected to be owned by "root"
1535     ✔  File /etc/cron.weekly is expected not to be writable by group
1536     ✔  File /etc/cron.weekly is expected not to be writable by other
1537     ×  File /etc/cron.weekly is expected not to be readable by group
1538     expected File /etc/cron.weekly not to be readable by group
1539     ×  File /etc/cron.weekly is expected not to be readable by other
1540     expected File /etc/cron.weekly not to be readable by other
1541     ✔  File /etc/cron.monthly is expected to be owned by "root"
1542     ✔  File /etc/cron.monthly is expected not to be writable by group
1543     ✔  File /etc/cron.monthly is expected not to be writable by other
1544     ×  File /etc/cron.monthly is expected not to be readable by group
1545     expected File /etc/cron.monthly not to be readable by group
1546     ×  File /etc/cron.monthly is expected not to be readable by other
1547     expected File /etc/cron.monthly not to be readable by other
1548     ✔  File /etc/cron.d is expected to be owned by "root"
1549     ✔  File /etc/cron.d is expected not to be writable by group
1550     ✔  File /etc/cron.d is expected not to be writable by other
1551     ×  File /etc/cron.d is expected not to be readable by group
1552     expected File /etc/cron.d not to be readable by group
1553     ×  File /etc/cron.d is expected not to be readable by other
1554     expected File /etc/cron.d not to be readable by other

Example code

bundle exec kitchen test -c 1 --destroy=always ubuntu-16-04

OS / Environment

Ubuntu 16.04
Ubuntu 18.04
Oracle 7
Fedora 27
Fedora 28
Amazon Linux 2
and possibly others

Chef Version

16.10.17

Cookbook Version

4.0.0

Additional context
See job logs here: https://travis-ci.org/github/dev-sec/chef-os-hardening/jobs/762137529

[artem-sidorenko]

Resolved by #273