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https://github.com/ghndrx/prowler.git
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74 lines
2.9 KiB
Bash
74 lines
2.9 KiB
Bash
#!/usr/bin/env bash
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# Prowler - the handy cloud security tool (c) by Toni de la Fuente
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#
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# This Prowler check is licensed under a
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# Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
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#
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# You should have received a copy of the license along with this
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# work. If not, see <http://creativecommons.org/licenses/by-nc-sa/4.0/>.
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CHECK_ID_check28="2.8"
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CHECK_TITLE_check28="[check28] Ensure rotation for customer created KMS CMKs is enabled (Scored)"
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CHECK_SCORED_check28="SCORED"
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CHECK_TYPE_check28="LEVEL2"
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CHECK_SEVERITY_check28="Medium"
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CHECK_ASFF_TYPE_check28="Software and Configuration Checks/Industry and Regulatory Standards/CIS AWS Foundations Benchmark"
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CHECK_ASFF_RESOURCE_TYPE_check28="AwsKmsKey"
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CHECK_ALTERNATE_check208="check28"
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CHECK_SERVICENAME_check28="kms"
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check28(){
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# "Ensure rotation for customer created CMKs is enabled (Scored)"
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for regx in $REGIONS; do
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CHECK_KMS_KEYLIST=$($AWSCLI kms list-keys $PROFILE_OPT --region $regx --output text --query 'Keys[*].KeyId' --output text 2>&1)
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if [[ $(echo "$CHECK_KMS_KEYLIST" | grep AccessDenied) ]]; then
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textFail "Access Denied trying to list keys in $regx"
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continue
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fi
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if [[ $CHECK_KMS_KEYLIST ]]; then
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cmk_count=0
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for key in $CHECK_KMS_KEYLIST; do
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KMSDETAILS=$($AWSCLI kms describe-key --key-id $key $PROFILE_OPT --region $regx --query 'KeyMetadata.{key:KeyId,man:KeyManager,origin:Origin,state:KeyState}' --output text 2>&1)
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if [[ $(echo "$KMSDETAILS" | grep AccessDenied) ]]; then
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textFail "$regx: Key $key Access Denied describing key"
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continue
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fi
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KEYID=$(echo $KMSDETAILS | awk '{print $1}')
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KEYMANAGER=$(echo $KMSDETAILS | awk '{print $2}')
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KEYORIGIN=$(echo $KMSDETAILS | awk '{print $3}')
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KEYSTATE=$(echo $KMSDETAILS | awk '{print $4}')
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if [[ "$KEYMANAGER" == "AWS" ]]; then
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continue
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fi
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if [[ "$KEYSTATE" != "Enabled" ]]; then
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continue
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fi
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cmk_count=$((cmk_count + 1))
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if [[ "$KEYORIGIN" == "EXTERNAL" ]]; then
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textPass "$regx: Key $key uses imported key material"
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else
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CHECK_KMS_KEY_ROTATION=$($AWSCLI kms get-key-rotation-status --key-id $key $PROFILE_OPT --region $regx --output text 2>&1)
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if [[ $(echo "$CHECK_KMS_KEY_ROTATION" | grep AccessDenied) ]]; then
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textFail "$regx: Key $key Access Denied getting key rotation status"
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continue
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fi
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if [[ "$CHECK_KMS_KEY_ROTATION" == "True" ]];then
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textPass "$regx: Key $key automatic rotation of the key material is enabled"
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else
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textFail "$regx: Key $key automatic rotation of the key material is disabled"
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fi
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fi
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done
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if [[ $cmk_count == 0 ]]; then
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textInfo "$regx: This region has no customer managed keys"
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fi
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else
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textInfo "$regx: This region has no KMS keys"
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fi
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done
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}
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