github.com/khulnasoft-lab/defsec@v1.0.5-0.20230827010352-5e9f46893d95/rules/cloud/policies/google/compute/use_secure_tls_policy.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 CheckUseSecureTlsPolicy = rules.Register(
    12  	scan.Rule{
    13  		AVDID:       "AVD-GCP-0039",
    14  		Provider:    providers.GoogleProvider,
    15  		Service:     "compute",
    16  		ShortCode:   "use-secure-tls-policy",
    17  		Summary:     "SSL policies should enforce secure versions of TLS",
    18  		Impact:      "Data in transit is not sufficiently secured",
    19  		Resolution:  "Enforce a minimum TLS version of 1.2",
    20  		Explanation: `TLS versions prior to 1.2 are outdated and insecure. You should use 1.2 as aminimum version.`,
    21  		Links:       []string{},
    22  		Terraform: &scan.EngineMetadata{
    23  			GoodExamples:        terraformUseSecureTlsPolicyGoodExamples,
    24  			BadExamples:         terraformUseSecureTlsPolicyBadExamples,
    25  			Links:               terraformUseSecureTlsPolicyLinks,
    26  			RemediationMarkdown: terraformUseSecureTlsPolicyRemediationMarkdown,
    27  		},
    28  		Severity: severity.Critical,
    29  	},
    30  	func(s *state.State) (results scan.Results) {
    31  		for _, policy := range s.Google.Compute.SSLPolicies {
    32  			if policy.Metadata.IsUnmanaged() {
    33  				continue
    34  			}
    35  			if policy.MinimumTLSVersion.NotEqualTo("TLS_1_2") {
    36  				results.Add(
    37  					"TLS policy does not specify a minimum of TLS 1.2",
    38  					policy.MinimumTLSVersion,
    39  				)
    40  			} else {
    41  				results.AddPassed(&policy)
    42  			}
    43  		}
    44  		return
    45  	},
    46  )