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41 lines
2.2 KiB
Bash
41 lines
2.2 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 are set as Public and have cross account access (Not Scored) (Not part of CIS benchmark)"
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CHECK_SCORED_extra716="NOT_SCORED"
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CHECK_TYPE_extra716="EXTRA"
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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 $LIST_OF_DOMAINS;do
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TEMP_POLICY_FILE=$(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 | jq -r '. | .Statement[] | select(.Effect == "Allow" and (((.Principal|type == "object") and .Principal.AWS == "*") or ((.Principal|type == "string") and .Principal == "*")) and .Condition == null)')
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if [[ $CHECK_ES_DOMAIN_ALLUSERS_POLICY ]];then
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textFail "$regx: $domain policy allow Anonymous cross account access (Principal: \"*\")" "$regx"
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else
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textPass "$regx: $domain does not allow Anonymous cross account access" "$regx"
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fi
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rm -f $TEMP_POLICY_FILE
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done
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else
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textInfo "$regx: No Elasticsearch Service domain found" "$regx"
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fi
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done
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}
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