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

     1  package compute
     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 CheckDiskEncryptionRequired = rules.Register(
    12  	scan.Rule{
    13  		AVDID:       "AVD-GCP-0037",
    14  		Provider:    providers.GoogleProvider,
    15  		Service:     "compute",
    16  		ShortCode:   "disk-encryption-no-plaintext-key",
    17  		Summary:     "The encryption key used to encrypt a compute disk has been specified in plaintext.",
    18  		Impact:      "The encryption key should be considered compromised as it is not stored securely.",
    19  		Resolution:  "Reference a managed key rather than include the key in raw format.",
    20  		Explanation: `Sensitive values such as raw encryption keys should not be included in your Terraform code, and should be stored securely by a secrets manager.`,
    21  		Links: []string{
    22  			"https://cloud.google.com/compute/docs/disks/customer-supplied-encryption",
    23  		},
    24  		Terraform: &scan.EngineMetadata{
    25  			GoodExamples:        terraformDiskEncryptionNoPlaintextKeyGoodExamples,
    26  			BadExamples:         terraformDiskEncryptionNoPlaintextKeyBadExamples,
    27  			Links:               terraformDiskEncryptionNoPlaintextKeyLinks,
    28  			RemediationMarkdown: terraformDiskEncryptionNoPlaintextKeyRemediationMarkdown,
    29  		},
    30  		Severity: severity.Critical,
    31  	},
    32  	func(s *state.State) (results scan.Results) {
    33  		for _, instance := range s.Google.Compute.Instances {
    34  			for _, disk := range append(instance.BootDisks, instance.AttachedDisks...) {
    35  				if disk.Encryption.RawKey.Len() > 0 {
    36  					results.Add(
    37  						"Instance disk has encryption key provided in plaintext.",
    38  						disk.Encryption.RawKey,
    39  					)
    40  				} else {
    41  					results.AddPassed(&disk)
    42  				}
    43  			}
    44  		}
    45  		for _, disk := range s.Google.Compute.Disks {
    46  			if disk.Encryption.RawKey.Len() > 0 {
    47  				results.Add(
    48  					"Disk encryption key is supplied in plaintext.",
    49  					disk.Encryption.RawKey,
    50  				)
    51  			} else {
    52  				results.AddPassed(&disk)
    53  			}
    54  		}
    55  		return
    56  	},
    57  )