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prowler/providers/aws/checks/eks/check_extra794
2022-05-25 16:43:54 +02:00

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#!/usr/bin/env bash
# Prowler - the handy cloud security tool (copyright 2019) by Toni de la Fuente
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy
# of the License at http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software distributed
# under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
# CONDITIONS OF ANY KIND, either express or implied. See the License for the
# specific language governing permissions and limitations under the License.
CHECK_ID_extra794="7.94"
CHECK_TITLE_extra794="[extra794] Ensure EKS Control Plane Audit Logging is enabled for all log types"
CHECK_SCORED_extra794="NOT_SCORED"
CHECK_CIS_LEVEL_extra794="EXTRA"
CHECK_SEVERITY_extra794="Medium"
CHECK_ASFF_RESOURCE_TYPE_extra794="AwsEksCluster"
CHECK_ALTERNATE_check794="extra794"
CHECK_SERVICENAME_extra794="eks"
CHECK_RISK_extra794='If logs are not enabled; monitoring of service use and threat analysis is not possible.'
CHECK_REMEDIATION_extra794='Make sure you logging for EKS control plane is enabled.'
CHECK_DOC_extra794='https://docs.aws.amazon.com/eks/latest/userguide/logging-monitoring.html'
CHECK_CAF_EPIC_extra794='Logging and Monitoring'
extra794(){
for regx in $REGIONS; do
CLUSTERS=$($AWSCLI eks list-clusters $PROFILE_OPT --region $regx --query 'clusters[]' --output text 2>&1)
if [[ $(echo "$CLUSTERS" | grep -E 'AccessDenied|UnauthorizedOperation|AuthorizationError') ]]; then
textInfo "$regx: Access Denied trying to list EKS clusters" "$regx"
continue
fi
if [[ $CLUSTERS ]]; then
for CLUSTER in $CLUSTERS;do
CLUSTERDEF=$($AWSCLI eks describe-cluster $PROFILE_OPT --region $regx --name $CLUSTER --query 'cluster.logging.clusterLogging[0]')
LOGGING_ENABLED=$(echo $CLUSTERDEF | jq -r '.enabled')
TYPES=$(echo $CLUSTERDEF | jq -r '.types[]')
if [[ $LOGGING_ENABLED == "true" ]]; then
if [[ $(echo $TYPES | egrep "api.*audit.*authenticator.*controllerManager.*scheduler") ]]; then
textPass "$regx: Control plane logging enabled and correctly configured for EKS cluster $CLUSTER" "$regx" "$CLUSTER"
else
textFail "$regx: Control plane logging enabled; not all log types collected for EKS cluster $CLUSTER" "$regx" "$CLUSTER"
fi
else
textFail "$regx: Control plane logging is not enabled for EKS cluster $CLUSTER" "$regx" "$CLUSTER"
fi
done
else
textInfo "$regx: No EKS clusters found" "$regx"
fi
done
}