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47 lines
2.3 KiB
Bash
47 lines
2.3 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_extra91="9.1"
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CHECK_TITLE_extra91="[extra91] Check if S3 glacier vaults have policies which allow access to everyone (Not Scored) (Not part of CIS benchmark) (Custom Check)"
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CHECK_SCORED_extra91="NOT_SCORED"
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CHECK_TYPE_extra91="EXTRA"
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CHECK_SEVERITY_extra91="Critical"
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CHECK_ASFF_RESOURCE_TYPE_extra91="AwsS3Glacier"
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CHECK_ALTERNATE_check91="extra91"
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CHECK_SERVICENAME_extra91="s3Glacier"
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# If an s3 glacier vault has a policy principle as *, we consider it public accessible resource.
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extra91(){
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for region in $REGIONS; do
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LIST_OF_VAULTS=$($AWSCLI glacier list-vaults $PROFILE_OPT --region $region --account-id $ACCOUNT_NUM --query VaultList[*].VaultName --output text|xargs -n1)
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if [[ $LIST_OF_VAULTS ]]; then
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for vault in $LIST_OF_VAULTS;do
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VAULT_POLICY_STATEMENTS=$($AWSCLI glacier $PROFILE_OPT get-vault-access-policy --region $region --account-id $ACCOUNT_NUM --vault-name $vault --output json --query policy.Policy 2>&1)
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if [[ $VAULT_POLICY_STATEMENTS == *GetVaultAccessPolicy* ]]; then
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textInfo "Vault policy does not exist for vault $vault"
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else
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VAULT_POLICY_BAD_STATEMENTS=$(echo $VAULT_POLICY_STATEMENTS | jq '. | fromjson' | jq '.Statement[] | select(.Effect=="Allow") | select(.Principal=="*" or .Principal.AWS=="*" or .Principal.CanonicalUser=="*")')
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if [[ $VAULT_POLICY_BAD_STATEMENTS != "" ]]; then
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textFail "$region : Vault $vault allows public access with policy as: $VAULT_POLICY_BAD_STATEMENTS"
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else
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textPass "$region :Vault $vault has vault policy which does not allow public access"
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fi
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fi
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done
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else
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textInfo "No glacier vaults found in $region region"
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fi
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done
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}
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