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

     1  package cloudfront
     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 CheckEnableWaf = rules.Register(
    12  	scan.Rule{
    13  		AVDID:       "AVD-AWS-0011",
    14  		Provider:    providers.AWSProvider,
    15  		Service:     "cloudfront",
    16  		ShortCode:   "enable-waf",
    17  		Summary:     "CloudFront distribution does not have a WAF in front.",
    18  		Impact:      "Complex web application attacks can more easily be performed without a WAF",
    19  		Resolution:  "Enable WAF for the CloudFront distribution",
    20  		Explanation: `You should configure a Web Application Firewall in front of your CloudFront distribution. This will mitigate many types of attacks on your web application.`,
    21  		Links: []string{
    22  			"https://docs.aws.amazon.com/waf/latest/developerguide/cloudfront-features.html",
    23  		},
    24  		Terraform: &scan.EngineMetadata{
    25  			GoodExamples:        terraformEnableWafGoodExamples,
    26  			BadExamples:         terraformEnableWafBadExamples,
    27  			Links:               terraformEnableWafLinks,
    28  			RemediationMarkdown: terraformEnableWafRemediationMarkdown,
    29  		},
    30  		CloudFormation: &scan.EngineMetadata{
    31  			GoodExamples:        cloudFormationEnableWafGoodExamples,
    32  			BadExamples:         cloudFormationEnableWafBadExamples,
    33  			Links:               cloudFormationEnableWafLinks,
    34  			RemediationMarkdown: cloudFormationEnableWafRemediationMarkdown,
    35  		},
    36  		Severity: severity.High,
    37  	},
    38  	func(s *state.State) (results scan.Results) {
    39  		for _, dist := range s.AWS.Cloudfront.Distributions {
    40  			if dist.WAFID.IsEmpty() {
    41  				results.Add(
    42  					"Distribution does not utilise a WAF.",
    43  					dist.WAFID,
    44  				)
    45  			} else {
    46  				results.AddPassed(&dist)
    47  			}
    48  		}
    49  		return
    50  	},
    51  )