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prowler/providers/aws/checks/check_extra7126
2022-05-25 12:54:15 +02:00

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#!/usr/bin/env bash
# Prowler - the handy cloud security tool (copyright 2018) 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_extra7126="7.126"
CHECK_TITLE_extra7126="[extra7126] Check if there are CMK KMS keys not used"
CHECK_SCORED_extra7126="NOT_SCORED"
CHECK_CIS_LEVEL_extra7126="EXTRA"
CHECK_SEVERITY_extra7126="Medium"
CHECK_ASFF_RESOURCE_TYPE_extra7126="AwsKmsKey"
CHECK_ALTERNATE_check7126="extra7126"
CHECK_ASFF_COMPLIANCE_TYPE_extra7126="op.exp.11.aws.kms.2"
CHECK_SERVICENAME_extra7126="kms"
CHECK_RISK_extra7126='Unused keys may increase service cost.'
CHECK_REMEDIATION_extra7126='Before deleting a customer master key (CMK); you might want to know how many cipher-texts were encrypted under that key. '
CHECK_DOC_extra7126='https://docs.aws.amazon.com/kms/latest/developerguide/deleting-keys-determining-usage.html'
CHECK_CAF_EPIC_extra7126='Data Protection'
extra7126(){
for regx in $REGIONS; do
LIST_OF_CUSTOMER_KMS_KEYS=$($AWSCLI kms list-aliases $PROFILE_OPT --region $regx --query "Aliases[].[AliasName,TargetKeyId]" --output text |grep -v ^alias/aws/ |awk '{ print $2 }')
if [[ $LIST_OF_CUSTOMER_KMS_KEYS ]];then
for key in $LIST_OF_CUSTOMER_KMS_KEYS; do
CHECK_STATUS=$($AWSCLI kms describe-key --key-id $key $PROFILE_OPT --region $regx --output json | jq -r '.KeyMetadata.KeyState')
if [[ $CHECK_STATUS == "PendingDeletion" ]]; then
textInfo "$regx: KMS key $key is pending deletion" "$regx"
elif [[ $CHECK_STATUS == "Disabled" ]]; then
textInfo "$regx: KMS key $key is disabled" "$regx" "$key"
else
textPass "$regx: KMS key $key is not disabled or pending deletion" "$regx" "$key"
fi
done
else
textInfo "$regx: No KMS keys found" "$regx"
fi
done
}