SV-257579r961824_rule
V-257579
SRG-APP-000503-CTR-001275
CNTR-OS-000970
CAT II
10
Apply the machine config to audit logons by executing the following:
for mcpool in $(oc get mcp -oname | sed "s:.*/::" ); do
echo "apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfig
metadata:
name: 75-logon-attempts-rules-$mcpool
labels:
machineconfiguration.openshift.io/role: $mcpool
spec:
config:
ignition:
version: 3.1.0
storage:
files:
- contents:
source: data:,-w%20/var/run/faillock%20-p%20wa%20-k%20logins%0A
mode: 0644
path: /etc/audit/rules.d/75-faillock_login_events.rules
overwrite: true
- contents:
source: data:,-w%20/var/log/lastlog%20-p%20wa%20-k%20logins%0A
mode: 0644
path: /etc/audit/rules.d/75-lastlog_login_events.rules
overwrite: true
- contents:
source: data:,-w%20/etc/sudoers.d/%20-p%20wa%20-k%20actions%0A-w%20/etc/sudoers%20-p%20wa%20-k%20actions%0A
mode: 0644
path: /etc/audit/rules.d/75-audit-sysadmin-actions.rules
overwrite: true
- contents:
source: data:,-w%20/etc/group%20-p%20wa%20-k%20audit_rules_usergroup_modification%0A
mode: 0644
path: /etc/audit/rules.d/30-etc_group_usergroup_modification.rules
overwrite: true
- contents:
source: data:,-w%20/etc/gshadow%20-p%20wa%20-k%20audit_rules_usergroup_modification%0A
mode: 0644
path: /etc/audit/rules.d/30-etc_gshadow_usergroup_modification.rules
overwrite: true
- contents:
source: data:,-w%20/etc/security/opasswd%20-p%20wa%20-k%20audit_rules_usergroup_modification%0A
mode: 0644
path: /etc/audit/rules.d/30-etc_security_opasswd_usergroup_modification.rules
overwrite: true
- contents:
source: data:,-w%20/etc/passwd%20-p%20wa%20-k%20audit_rules_usergroup_modification%0A
mode: 0644
path: /etc/audit/rules.d/30-etc_passwd_usergroup_modification.rules
overwrite: true
- contents:
source: data:,-w%20/etc/shadow%20-p%20wa%20-k%20audit_rules_usergroup_modification%0A
mode: 0644
path: /etc/audit/rules.d/30-etc_shadow_usergroup_modification.rules
overwrite: true
" | oc apply -f -
done
Verify that logons are audited by executing the following:
for node in $(oc get node -oname); do oc debug $node -- chroot /host /bin/bash -c 'echo -n ""$HOSTNAME ""; grep ""logins"" /etc/audit/audit.rules /etc/audit/rules.d/*' 2>/dev/null; done
The output will look similar to:
node-name /etc/audit/<file>:-w /var/run/faillock -p wa -k logins
/etc/audit/<file>:-w /var/log/lastlog -p wa -k logins
If the two rules above are not found on each node, this is a finding.
V-257579
False
CNTR-OS-000970
Verify that logons are audited by executing the following:
for node in $(oc get node -oname); do oc debug $node -- chroot /host /bin/bash -c 'echo -n ""$HOSTNAME ""; grep ""logins"" /etc/audit/audit.rules /etc/audit/rules.d/*' 2>/dev/null; done
The output will look similar to:
node-name /etc/audit/<file>:-w /var/run/faillock -p wa -k logins
/etc/audit/<file>:-w /var/log/lastlog -p wa -k logins
If the two rules above are not found on each node, this is a finding.
M
5547