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50 lines
2.5 KiB
Bash
50 lines
2.5 KiB
Bash
#!/usr/bin/env bash
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# Prowler - the handy cloud security tool (copyright 2019) by Toni de la Fuente
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy
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# of the License at http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software distributed
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# under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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# CONDITIONS OF ANY KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations under the License.
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CHECK_ID_extra795="7.95"
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CHECK_TITLE_extra795="[extra795] Ensure EKS Clusters are created with Private Endpoint Enabled and Public Access Disabled"
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CHECK_SCORED_extra795="NOT_SCORED"
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CHECK_CIS_LEVEL_extra795="EXTRA"
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CHECK_SEVERITY_extra795="High"
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CHECK_ASFF_RESOURCE_TYPE_extra795="AwsEksCluster"
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CHECK_ALTERNATE_check795="extra795"
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CHECK_SERVICENAME_extra795="eks"
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CHECK_RISK_extra795='Publicly accessible services could expose sensitive data to bad actors.'
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CHECK_REMEDIATION_extra795='Enable private access to the Kubernetes API server so that all communication between your nodes and the API server stays within your VPC. Disable internet access to the API server.'
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CHECK_DOC_extra795='https://docs.aws.amazon.com/eks/latest/userguide/infrastructure-security.html'
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CHECK_CAF_EPIC_extra795='Infrastructure Security'
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extra795(){
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for regx in $REGIONS; do
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CLUSTERS=$($AWSCLI eks list-clusters $PROFILE_OPT --region $regx --query 'clusters[]' --output text 2>&1)
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if [[ $(echo "$CLUSTERS" | grep -E 'AccessDenied|UnauthorizedOperation|AuthorizationError') ]]; then
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textInfo "$regx: Access Denied trying to list EKS clusters" "$regx"
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continue
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fi
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if [[ $CLUSTERS ]]; then
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for CLUSTER in $CLUSTERS;do
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CLUSTERDEF=$($AWSCLI eks describe-cluster $PROFILE_OPT --region $regx --name $CLUSTER --query 'cluster.resourcesVpcConfig')
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PUB_ENABLED=$(echo $CLUSTERDEF | jq -r '.endpointPublicAccess')
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PRIV_ENABLED=$(echo $CLUSTERDEF | jq -r '.endpointPrivateAccess')
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if [[ $PUB_ENABLED == "false" ]] && [[ $PRIV_ENABLED == "true" ]] ; then
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textPass "$regx: Cluster endpoint access is private for EKS cluster $CLUSTER" "$regx" "$CLUSTER"
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else
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textFail "$regx: Cluster endpoint access is public for EKS cluster $CLUSTER" "$regx" "$CLUSTER"
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fi
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done
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else
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textInfo "$regx: No EKS clusters found" "$regx"
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fi
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done
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}
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