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51 lines
2.7 KiB
Bash
51 lines
2.7 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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DAYS_TO_EXPIRE_THRESHOLD="7"
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CHECK_ID_extra730="7.30"
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CHECK_TITLE_extra730="[extra730] Check if ACM Certificates are about to expire in $DAYS_TO_EXPIRE_THRESHOLD days or less"
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CHECK_SCORED_extra730="NOT_SCORED"
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CHECK_TYPE_extra730="EXTRA"
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CHECK_SEVERITY_extra730="High"
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CHECK_ASFF_RESOURCE_TYPE_extra730="AwsCertificateManagerCertificate"
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CHECK_ALTERNATE_check730="extra730"
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CHECK_SERVICENAME_extra730="acm"
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CHECK_RISK_extra730='Expired certificates can impact service availability.'
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CHECK_REMEDIATION_extra730='Monitor certificate expiration and take automated action to renew; replace or remove. Having shorter TTL for any security artifact is a general recommendation; but requires additional automation in place. If not longer required delete certificate. Use AWS config using the managed rule: acm-certificate-expiration-check.'
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CHECK_DOC_extra730='https://docs.aws.amazon.com/config/latest/developerguide/acm-certificate-expiration-check.html'
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CHECK_CAF_EPIC_extra730='Data Protection'
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extra730(){
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# "Check if ACM Certificates are about to expire in $DAYS_TO_EXPIRE_THRESHOLD days or less"
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for regx in $REGIONS; do
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LIST_OF_ACM_CERTS=$($AWSCLI acm list-certificates $PROFILE_OPT --region $regx --query 'CertificateSummaryList[].CertificateArn' --output text)
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if [[ $LIST_OF_ACM_CERTS ]];then
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for cert in $LIST_OF_ACM_CERTS; do
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CERT_DATA=$($AWSCLI acm describe-certificate $PROFILE_OPT --region $regx --certificate-arn $cert --query 'Certificate.[DomainName,NotAfter]' --output text)
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echo "$CERT_DATA" | while read FQDN NOTAFTER; do
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EXPIRES_DATE=$(timestamp_to_date $NOTAFTER)
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COUNTER_DAYS=$(how_many_days_from_today $EXPIRES_DATE)
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if [[ $COUNTER_DAYS -le $DAYS_TO_EXPIRE_THRESHOLD ]]; then
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textFail "$regx: Certificate for $FQDN is about to expire in $COUNTER_DAYS days!" "$regx" "$FQDN"
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else
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textPass "$regx: Certificate for $FQDN expires in $COUNTER_DAYS days" "$regx" "$FQDN"
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fi
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done
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done
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else
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textInfo "$regx: No certificates found" "$regx"
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fi
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done
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}
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