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prowler/checks/check_extra7186
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2022-05-31 16:54:05 +02:00

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#!/usr/bin/env bash
# Prowler - the handy cloud security tool (copyright 2019) 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_extra7186="7.186"
CHECK_TITLE_extra7186="[extra7186] Check S3 Account Level Public Access Block"
CHECK_SCORED_extra7186="NOT_SCORED"
CHECK_CIS_LEVEL_extra7186="EXTRA"
CHECK_SEVERITY_extra7186="High"
CHECK_ASFF_RESOURCE_TYPE_extra7186="AwsS3Bucket"
CHECK_ALTERNATE_check7186="extra7186"
CHECK_SERVICENAME_extra7186="s3"
CHECK_RISK_extra7186='Public access policies may be applied to sensitive data buckets'
CHECK_REMEDIATION_extra7186='You can enable Public Access Block at the account level to prevent the exposure of your data stored in S3'
CHECK_DOC_extra7186='https://docs.aws.amazon.com/AmazonS3/latest/userguide/access-control-block-public-access.html'
CHECK_CAF_EPIC_extra7186='Data Protection'
extra7186(){
S3_PUBLIC_ACCESS_BLOCK=$("${AWSCLI}" ${PROFILE_OPT} s3control get-public-access-block \
--account-id "${ACCOUNT_NUM}" \
--region "${REGION}" \
--query 'PublicAccessBlockConfiguration.[IgnorePublicAcls,RestrictPublicBuckets]' \
--output text 2>&1)
if grep -q -E 'AccessDenied|UnauthorizedOperation|AuthorizationError' <<< "${S3_PUBLIC_ACCESS_BLOCK}"; then
textInfo "${REGION}: Access Denied trying to recover AWS account ID" "${REGION}"
exit
fi
if grep -q -E 'False|NoSuchPublicAccessBlockConfiguration' <<< "${S3_PUBLIC_ACCESS_BLOCK}"; then
textFail "${REGION}: Block Public Access is not configured for the account ${ACCOUNT_NUM}" "${REGION}" "${ACCOUNT_NUM}"
else
textPass "${REGION}: Block Public Access is configured for the account ${ACCOUNT_NUM}" "${REGION}" "${ACCOUNT_NUM}"
fi
}