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https://github.com/prowler-cloud/prowler.git
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44 lines
2.4 KiB
Bash
44 lines
2.4 KiB
Bash
#!/usr/bin/env bash
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# Prowler - the handy cloud security tool (copyright 2018) 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_extra716="7.16"
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CHECK_TITLE_extra716="[extra716] Check if Elasticsearch Service domains allow open access (Not Scored) (Not part of CIS benchmark)"
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CHECK_SCORED_extra716="NOT_SCORED"
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CHECK_ALTERNATE_check716="extra716"
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extra716(){
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# "Check if Elasticsearch Service domains allow open access (Not Scored) (Not part of CIS benchmark)"
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for regx in $REGIONS; do
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LIST_OF_DOMAINS=$($AWSCLI es list-domain-names $PROFILE_OPT --region $regx --query DomainNames --output text)
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if [[ $LIST_OF_DOMAINS ]]; then
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for domain in $LIST_OF_DOMAINS;do
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CHECK_IF_MEMBER_OF_VPC=$($AWSCLI es describe-elasticsearch-domain-config --domain-name $domain $PROFILE_OPT --region $regx --query DomainConfig.VPCOptions.Options.VPCId --output text|grep -v ^None)
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if [[ ! $CHECK_IF_MEMBER_OF_VPC ]];then
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TEMP_POLICY_FILE=$(mktemp -t prowler-${ACCOUNT_NUM}-es-domain.policy.XXXXXXXXXX)
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$AWSCLI es describe-elasticsearch-domain-config --domain-name $domain $PROFILE_OPT --region $regx --query DomainConfig.AccessPolicies.Options --output text > $TEMP_POLICY_FILE 2> /dev/null
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# check if the policy has Principal as *
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CHECK_ES_DOMAIN_ALLUSERS_POLICY=$(cat $TEMP_POLICY_FILE | awk -v k="text" '{n=split($0,a,","); for (i=1; i<=n; i++) print a[i]}' | awk '/Principal/ && !skip { print } { skip = /Deny/} '|grep \"Principal|grep \*)
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if [[ $CHECK_ES_DOMAIN_ALLUSERS_POLICY ]];then
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textFail "$regx: $domain policy \"may\" allow Anonymous users to perform actions (Principal: \"*\")" "$regx"
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else
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textPass "$regx: $domain is not open" "$regx"
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fi
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else
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textPass "$regx: $domain is in a VPC" "$regx"
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fi
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done
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fi
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textInfo "$regx: No Elasticsearch Service domain found" "$regx"
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rm -fr $TEMP_POLICY_FILE
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done
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}
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