Severity Framework
CCSS (Common Configuration Scoring System) is a set of measures used to determine the severity of the rule.
Snyk CCSS
Rule category
Each rule is associated with a high-level category. For example IAM, Container, Monitoring, Logging, Network, etc.
IAM/ Public Access
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CIS-ControlsCIS-GoogleCSA-CCMISO-27001PCI-DSSSOC-2
- Snyk IDSNYK-CC-00351
- creditSnyk Research Team
Description
IAM policy on Cloud KMS (Key Management Service) cryptokeys should restrict anonymous and/or public access. Granting permissions to allUsers or allAuthenticatedUsers allows anyone to access the dataset, which is not desirable if sensitive data is stored at the location.
How to fix?
Remove allUsers and allAuthenticatedUsers from members attribute.
Example configuration:
resource "google_kms_crypto_key" "key" {
name = "crypto-key-example"
key_ring = google_kms_key_ring.keyring.id
rotation_period = "100000s"
lifecycle {
prevent_destroy = true
}
}
resource "google_kms_crypto_key_iam_binding" "allowed" {
crypto_key_id = google_kms_crypto_key.key.id
role = "roles/cloudkms.cryptoKeyEncrypter"
members = [
"user:jane@example.com",
]
}