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

     1  package storage
     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 CheckDefaultActionDeny = rules.Register(
    12  	scan.Rule{
    13  		AVDID:      "AVD-AZU-0012",
    14  		Provider:   providers.AzureProvider,
    15  		Service:    "storage",
    16  		ShortCode:  "default-action-deny",
    17  		Summary:    "The default action on Storage account network rules should be set to deny",
    18  		Impact:     "Network rules that allow could cause data to be exposed publicly",
    19  		Resolution: "Set network rules to deny",
    20  		Explanation: `The default_action for network rules should come into effect when no other rules are matched.
    21  
    22  The default action should be set to Deny.`,
    23  		Links: []string{
    24  			"https://docs.microsoft.com/en-us/azure/firewall/rule-processing",
    25  		},
    26  		Terraform: &scan.EngineMetadata{
    27  			GoodExamples:        terraformDefaultActionDenyGoodExamples,
    28  			BadExamples:         terraformDefaultActionDenyBadExamples,
    29  			Links:               terraformDefaultActionDenyLinks,
    30  			RemediationMarkdown: terraformDefaultActionDenyRemediationMarkdown,
    31  		},
    32  		Severity: severity.Critical,
    33  	},
    34  	func(s *state.State) (results scan.Results) {
    35  		for _, account := range s.Azure.Storage.Accounts {
    36  			for _, rule := range account.NetworkRules {
    37  				if rule.AllowByDefault.IsTrue() {
    38  					results.Add(
    39  						"Network rules allow access by default.",
    40  						rule.AllowByDefault,
    41  					)
    42  				} else {
    43  					results.AddPassed(&rule)
    44  				}
    45  			}
    46  		}
    47  		return
    48  	},
    49  )