github.com/khulnasoft-lab/defsec@v1.0.5-0.20230827010352-5e9f46893d95/rules/cloud/policies/aws/ec2/no_default_vpc.go (about)

     1  package ec2
     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 CheckNoDefaultVpc = rules.Register(
    12  	scan.Rule{
    13  		AVDID:       "AVD-AWS-0101",
    14  		Aliases:     []string{"aws-vpc-no-default-vpc"},
    15  		Provider:    providers.AWSProvider,
    16  		Service:     "ec2",
    17  		ShortCode:   "no-default-vpc",
    18  		Summary:     "AWS best practice to not use the default VPC for workflows",
    19  		Impact:      "The default VPC does not have critical security features applied",
    20  		Resolution:  "Create a non-default vpc for resources to be created in",
    21  		Explanation: `Default VPC does not have a lot of the critical security features that standard VPC comes with, new resources should not be created in the default VPC and it should not be present in the Terraform.`,
    22  		Links: []string{
    23  			"https://docs.aws.amazon.com/vpc/latest/userguide/default-vpc.html",
    24  		},
    25  		Terraform: &scan.EngineMetadata{
    26  			GoodExamples:        terraformNoDefaultVpcGoodExamples,
    27  			BadExamples:         terraformNoDefaultVpcBadExamples,
    28  			Links:               terraformNoDefaultVpcLinks,
    29  			RemediationMarkdown: terraformNoDefaultVpcRemediationMarkdown,
    30  		},
    31  		Severity: severity.High,
    32  	},
    33  	func(s *state.State) (results scan.Results) {
    34  		for _, def := range s.AWS.EC2.VPCs {
    35  			if def.IsDefault.IsTrue() {
    36  				results.Add(
    37  					"Default VPC is used.",
    38  					&def,
    39  				)
    40  			}
    41  		}
    42  		return
    43  	},
    44  )