GKE Legacy Authorization Enabled

• Query id: 5baa92d2-d8ee-4c75-88a4-52d9d8bb8067
• Query name: GKE Legacy Authorization Enabled
• Platform: Terraform
• Severity: High
• Category: Insecure Configurations
• CWE: 284
• URL: Github

Description

Kubernetes Engine Clusters must have Legacy Authorization set to disabled, which means the attribute 'enable_legacy_abac' must not be true
Documentation

Code samples

Code samples with security vulnerabilities

Positive test num. 1 - tf file

#this is a problematic code where the query should report a result(s)
resource "google_container_cluster" "positive1" {
  name               = "marcellus-wallace"
  location           = "us-central1-a"
  initial_node_count = 3
  enable_legacy_abac = true

  timeouts {
    create = "30m"
    update = "40m"
  }
}

Code samples without security vulnerabilities

Negative test num. 1 - tf file

#this code is a correct code for which the query should not find any result
resource "google_container_cluster" "negative1" {
  name               = "marcellus-wallace"
  location           = "us-central1-a"
  initial_node_count = 3
  enable_legacy_abac = false

  timeouts {
    create = "30m"
    update = "40m"
  }
}