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https://github.com/ghndrx/prowler.git
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64 lines
3.1 KiB
Bash
64 lines
3.1 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_extra77="7.7"
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CHECK_TITLE_extra77="[extra77] Ensure there are no ECR repositories set as Public (Not Scored) (Not part of CIS benchmark)"
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CHECK_SCORED_extra77="NOT_SCORED"
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CHECK_TYPE_extra77="EXTRA"
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CHECK_SEVERITY_extra77="Critical"
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CHECK_ALTERNATE_extra707="extra77"
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CHECK_ALTERNATE_check77="extra77"
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CHECK_ALTERNATE_check707="extra77"
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extra77(){
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# "Ensure there are no ECR repositories set as Public (Not Scored) (Not part of CIS benchmark)"
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for region in $REGIONS; do
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LIST_ECR_REPOS=$($AWSCLI ecr describe-repositories $PROFILE_OPT --region $region --query "repositories[*].[repositoryName]" --output text 2>&1)
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if [[ $(echo "$LIST_ECR_REPOS" | grep AccessDenied) ]]; then
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textFail "Access Denied Trying to describe ECR repositories"
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continue
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fi
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if [[ $(echo "$LIST_ECR_REPOS" | grep SubscriptionRequiredException) ]]; then
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textFail "Subscription Required Exception trying to describe ECR repositories"
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continue
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fi
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if [[ ! -z "$LIST_ECR_REPOS" ]]; then
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for repo in $LIST_ECR_REPOS; do
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TEMP_POLICY_FILE=$(mktemp -t prowler-${ACCOUNT_NUM}-ecr-repo.policy.XXXXXXXXXX)
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$AWSCLI ecr get-repository-policy $PROFILE_OPT --region $region --repository-name $repo --query "policyText" --output text > $TEMP_POLICY_FILE 2>&1
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if [[ $(grep AccessDenied $TEMP_POLICY_FILE) ]]; then
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textFail "$region: $repo Access Denied for get-repository-policy"
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rm -f $TEMP_POLICY_FILE
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continue
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fi
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# https://docs.aws.amazon.com/AmazonECR/latest/userguide/repository-policies.html - "By default, only the repository owner has access to a repository."
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if [[ $(grep RepositoryPolicyNotFoundException $TEMP_POLICY_FILE) ]]; then
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textPass "$region: $repo is not open" "$region"
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rm -f $TEMP_POLICY_FILE
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continue
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fi
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# check if the policy has Principal as *
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CHECK_ECR_REPO_ALLUSERS_POLICY=$(cat $TEMP_POLICY_FILE | jq '.Statement[]|select(.Effect=="Allow" and (((.Principal|type == "object") and .Principal.AWS == "*") or ((.Principal|type == "string") and .Principal == "*")))')
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if [[ $CHECK_ECR_REPO_ALLUSERS_POLICY ]]; then
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textFail "$region: $repo policy \"may\" allow Anonymous users to perform actions (Principal: \"*\")" "$region"
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else
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textPass "$region: $repo is not open" "$region"
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fi
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rm -f $TEMP_POLICY_FILE
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done
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else
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textInfo "$region: No ECR repositories found" "$region"
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fi
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done
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}
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