OS Login is disabled Affecting Compute Engine service in Google
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/ Usage
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CIS-ControlsCIS-GoogleCSA-CCMSOC-2
- Snyk IDSNYK-CC-00384
- creditSnyk Research Team
Description
Enabling Compute Engine OS Login for a project ensures that SSH keys used to access instances are mapped to IAM users. If access is revoked for an IAM user, associated SSH keys are revoked as well. This streamlines handling compromised SSH key pairs and the process for revoking access.
How to fix?
Set metadata.enable-oslogin attribute to true.
Example configuration:s
resource "google_compute_project_metadata" "allowed" {
metadata = {
"enable-oslogin" = true
}
}
resource "google_compute_project_metadata_item" "allowed_item" {
key = "enable-oslogin"
value = true
}