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48 lines
2.5 KiB
Bash
48 lines
2.5 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_extra7147="7.147"
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CHECK_TITLE_extra7147="[extra7147] Check if S3 Glacier vaults have policies which allow access to everyone"
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CHECK_SCORED_extra7147="NOT_SCORED"
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CHECK_TYPE_extra7147="EXTRA"
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CHECK_SEVERITY_extra7147="Critical"
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CHECK_ASFF_RESOURCE_TYPE_extra7147="AwsS3Glacier"
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CHECK_ALTERNATE_check7147="extra7142"
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CHECK_SERVICENAME_extra7147="s3glacier"
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CHECK_RISK_extra7147='Vaults accessible to everyone could expose sensible data to bad actors'
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CHECK_REMEDIATION_extra7147='Ensure vault policy does not have principle as *'
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CHECK_DOC_extra7147='https://docs.aws.amazon.com/amazonglacier/latest/dev/access-control-overview.html'
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CHECK_CAF_EPIC_extra7147='Data Protection'
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extra7147(){
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for regx in $REGIONS; do
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LIST_OF_VAULTS=$($AWSCLI glacier list-vaults $PROFILE_OPT --region $regx --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 $regx --account-id $ACCOUNT_NUM --vault-name $vault --output json --query policy.Policy 2>&1)
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if [[ $VAULT_POLICY_STATEMENTS == *GetVaultAccessPolicy* ]]; then
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textInfo "$regx: Vault $vault doesn't have any policy" "$regx" "$vault"
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else
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VAULT_POLICY_BAD_STATEMENTS=$(echo $VAULT_POLICY_STATEMENTS | jq '. | fromjson' | jq '.Statement[] | select(.Effect=="Allow") | select(.Principal=="*" or .Principal.AWS=="*" or .Principal.CanonicalUser=="*")')
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if [[ $VAULT_POLICY_BAD_STATEMENTS != "" ]]; then
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textFail "$regx: Vault $vault has policy which allows access to everyone" "$regx" "$vault"
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else
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textPass "$regx: Vault $vault has policy which does not allow access to everyone" "$regx" "$vault"
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fi
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fi
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done
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else
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textInfo "$regx: No Glacier vaults found" "$regx"
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fi
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done
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} |