STIGQter: STIG Summary: Kubernetes Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 13 Apr 2021:

The Kubernetes Controller Manager must have secure binding.

DISA Rule

SV-242385r712511_rule

Vulnerability Number

V-242385

Group Title

SRG-APP-000033-CTR-000090

Rule Version

CNTR-K8-000310

Severity

CAT II

CCI(s)

• CCI-000213 - The information system enforces approved authorizations for logical access to information and system resources in accordance with applicable access control policies.

Weight

10

Fix Recommendation

Edit the Kubernetes Controller Manager manifest file in the /etc/kubernetes/manifests directory on the Kubernetes Master Node. Set the argument "--bind-address" to "127.0.0.1".

Check Contents

Change to the /etc/kubernetes/manifests directory on the Kubernetes Master Node. Run the command:

grep -i bind-address *

If the setting bind-address is not set to "127.0.0.1" or is not found in the Kubernetes Controller Manager manifest file, this is a finding.

Vulnerability Number

V-242385

Documentable

False

Rule Version

CNTR-K8-000310

Severity Override Guidance

Change to the /etc/kubernetes/manifests directory on the Kubernetes Master Node. Run the command:

grep -i bind-address *

If the setting bind-address is not set to "127.0.0.1" or is not found in the Kubernetes Controller Manager manifest file, this is a finding.

Check Content Reference

M

Target Key

5376

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