github.com/khulnasoft-lab/defsec@v1.0.5-0.20230827010352-5e9f46893d95/rules/cloud/policies/azure/database/secure_tls_policy.go (about)

     1  package database
     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 CheckSecureTlsPolicy = rules.Register(
    12  	scan.Rule{
    13  		AVDID:       "AVD-AZU-0026",
    14  		Provider:    providers.AzureProvider,
    15  		Service:     "database",
    16  		ShortCode:   "secure-tls-policy",
    17  		Summary:     "Databases should have the minimum TLS set for connections",
    18  		Impact:      "Outdated TLS policies increase exposure to known issues",
    19  		Resolution:  "Use the most modern TLS policies available",
    20  		Explanation: `You should not use outdated/insecure TLS versions for encryption. You should be using TLS v1.2+.`,
    21  		Links:       []string{},
    22  		Terraform: &scan.EngineMetadata{
    23  			GoodExamples:        terraformSecureTlsPolicyGoodExamples,
    24  			BadExamples:         terraformSecureTlsPolicyBadExamples,
    25  			Links:               terraformSecureTlsPolicyLinks,
    26  			RemediationMarkdown: terraformSecureTlsPolicyRemediationMarkdown,
    27  		},
    28  		Severity: severity.Medium,
    29  	},
    30  	func(s *state.State) (results scan.Results) {
    31  		for _, server := range s.Azure.Database.MSSQLServers {
    32  			if server.Metadata.IsUnmanaged() {
    33  				continue
    34  			}
    35  			if server.MinimumTLSVersion.NotEqualTo("1.2") {
    36  				results.Add(
    37  					"Database server does not require a secure TLS version.",
    38  					server.MinimumTLSVersion,
    39  				)
    40  			} else {
    41  				results.AddPassed(&server)
    42  			}
    43  		}
    44  		for _, server := range s.Azure.Database.MySQLServers {
    45  			if server.Metadata.IsUnmanaged() {
    46  				continue
    47  			}
    48  			if server.MinimumTLSVersion.NotEqualTo("TLS1_2") {
    49  				results.Add(
    50  					"Database server does not require a secure TLS version.",
    51  					server.MinimumTLSVersion,
    52  				)
    53  			} else {
    54  				results.AddPassed(&server)
    55  			}
    56  		}
    57  		for _, server := range s.Azure.Database.PostgreSQLServers {
    58  			if server.Metadata.IsUnmanaged() {
    59  				continue
    60  			}
    61  			if server.MinimumTLSVersion.NotEqualTo("TLS1_2") {
    62  				results.Add(
    63  					"Database server does not require a secure TLS version.",
    64  					server.MinimumTLSVersion,
    65  				)
    66  			} else {
    67  				results.AddPassed(&server)
    68  			}
    69  		}
    70  		return
    71  	},
    72  )