github.com/khulnasoft-lab/defsec@v1.0.5-0.20230827010352-5e9f46893d95/rules/cloud/policies/google/kms/rotate_kms_keys.go (about)

     1  package kms
     2  
     3  import (
     4  	"github.com/khulnasoft-lab/defsec/internal/rules"
     5  	"github.com/khulnasoft-lab/defsec/pkg/providers"
     6  	"github.com/khulnasoft-lab/defsec/pkg/scan"
     7  	"github.com/khulnasoft-lab/defsec/pkg/severity"
     8  	"github.com/khulnasoft-lab/defsec/pkg/state"
     9  )
    10  
    11  var CheckRotateKmsKeys = rules.Register(
    12  	scan.Rule{
    13  		AVDID:       "AVD-GCP-0065",
    14  		Provider:    providers.GoogleProvider,
    15  		Service:     "kms",
    16  		ShortCode:   "rotate-kms-keys",
    17  		Summary:     "KMS keys should be rotated at least every 90 days",
    18  		Impact:      "Exposure is greater if the same keys are used over a long period",
    19  		Resolution:  "Set key rotation period to 90 days",
    20  		Explanation: `Keys should be rotated on a regular basis to limit exposure if a given key should become compromised.`,
    21  		Links:       []string{},
    22  		Terraform: &scan.EngineMetadata{
    23  			GoodExamples:        terraformRotateKmsKeysGoodExamples,
    24  			BadExamples:         terraformRotateKmsKeysBadExamples,
    25  			Links:               terraformRotateKmsKeysLinks,
    26  			RemediationMarkdown: terraformRotateKmsKeysRemediationMarkdown,
    27  		},
    28  		Severity: severity.High,
    29  	},
    30  	func(s *state.State) (results scan.Results) {
    31  		for _, keyring := range s.Google.KMS.KeyRings {
    32  			for _, key := range keyring.Keys {
    33  				if key.RotationPeriodSeconds.GreaterThan(7776000) {
    34  					results.Add(
    35  						"Key has a rotation period of more than 90 days.",
    36  						key.RotationPeriodSeconds,
    37  					)
    38  				} else {
    39  					results.AddPassed(&key)
    40  				}
    41  			}
    42  		}
    43  		return
    44  	},
    45  )