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Remediation

From Google Cloud Console​

  1. Go to IAM & admin/IAM using https://console.cloud.google.com/iam-admin/iam
  2. Under the IAM Tab look for VIEW BY PRINCIPALS
  3. Filter PRINCIPALS using type : Service account
  4. Look for the Service Account with the Principal nomenclature: SERVICE_ACCOUNT_NAME@PROJECT_ID.iam.gserviceaccount.com
  5. Identify User-Managed user created service account with roles containing *Admin or *admin or role matching Editor or role matching Owner under Role Column.
  6. Click on Edit (Pencil Icon) for the Service Account, it will open all the roles which are assigned to the Service Account.
  7. Click the Delete bin icon to remove the role from the Principal (service account in this case)

From Google Cloud CLI​

gcloud projects get-iam-policy PROJECT_ID --format json > iam.json

  1. Using a text editor, Remove Role which contains roles/*Admin or roles/*admin or matched roles/editor or matches 'roles/owner`. Add a role to the bindings array that defines the group members and the role for those members.

    For example, to grant the role roles/appengine.appViewer to the ServiceAccount which is roles/editor, you would change the example shown below as follows:

     {
     "bindings": [
         { "members": [ "serviceAccount:our-project-123@appspot.gserviceaccount.com", ], "role": "roles/appengine.appViewer" },
         { "members": [ "user:email1@gmail.com" ], "role": "roles/owner" },
         { "members": [ "serviceAccount:our-project-123@appspot.gserviceaccount.com", "serviceAccount:123456789012-compute@developer.gserviceaccount.com" ], "role": "roles/editor" }
         ],
     "etag": "BwUjMhCsNvY="
     }

  2. Update the project's IAM policy:

    gcloud projects set-iam-policy PROJECT_ID iam.json