API Gateway Cache Cluster Disabled

• Query id: 52790cad-d60d-41d5-8483-146f9f21208d
• Query name: API Gateway Cache Cluster Disabled
• Platform: CloudFormation
• Severity: Low
• Category: Insecure Configurations
• CWE: 778
• URL: Github

Description

AWS API Gateway should have cache clustering enabled
Documentation

Code samples

Code samples with security vulnerabilities

Positive test num. 1 - yaml file

AWSTemplateFormatVersion: "2010-09-09"
Description: "BatchJobDefinition"
Resources:
  ProdPos1:
    Type: AWS::ApiGateway::Stage
    Properties:
      StageName: Prod
      Description: Prod Stage
      RestApiId: !Ref MyRestApi
      DeploymentId: !Ref TestDeployment
      DocumentationVersion: !Ref MyDocumentationVersion
      ClientCertificateId: !Ref ClientCertificate
      TracingEnabled: true
      Variables:
        Stack: Prod
      MethodSettings:
        - ResourcePath: /
          HttpMethod: GET
          MetricsEnabled: 'true'
          DataTraceEnabled: 'false'
        - ResourcePath: /stack
          HttpMethod: POST
          MetricsEnabled: 'true'
          DataTraceEnabled: 'false'
          ThrottlingBurstLimit: '999'
        - ResourcePath: /stack
          HttpMethod: GET
          MetricsEnabled: 'true'
          DataTraceEnabled: 'false'
          ThrottlingBurstLimit: '555'

Positive test num. 2 - yaml file

AWSTemplateFormatVersion: "2010-09-09"
Description: "BatchJobDefinition"
Resources:
  ProdPos2:
    Type: AWS::ApiGateway::Stage
    Properties:
      StageName: Prod
      Description: Prod Stage
      RestApiId: !Ref MyRestApi
      DeploymentId: !Ref TestDeployment
      DocumentationVersion: !Ref MyDocumentationVersion
      ClientCertificateId: !Ref ClientCertificate
      TracingEnabled: true
      Variables:
        Stack: Prod
      MethodSettings:
        - ResourcePath: /
          HttpMethod: GET
          MetricsEnabled: 'true'
          DataTraceEnabled: 'false'
        - ResourcePath: /stack
          HttpMethod: POST
          MetricsEnabled: 'true'
          DataTraceEnabled: 'false'
          ThrottlingBurstLimit: '999'
        - ResourcePath: /stack
          HttpMethod: GET
          MetricsEnabled: 'true'
          DataTraceEnabled: 'false'
          ThrottlingBurstLimit: '555'
      CacheClusterEnabled: false

Positive test num. 3 - json file

{
  "AWSTemplateFormatVersion": "2010-09-09",
  "Resources": {
    "ProdPos1": {
      "Type": "AWS::ApiGateway::Stage",
      "Properties": {
        "StageName": "Prod",
        "RestApiId": {
          "Ref": "MyRestApi"
        },
        "DeploymentId": {
          "Ref": "TestDeployment"
        },
        "DocumentationVersion": {
          "Ref": "MyDocumentationVersion"
        },
        "ClientCertificateId": {
          "Ref": "ClientCertificate"
        },
        "Variables": {
          "Stack": "Prod"
        },
        "TracingEnabled": "true",
        "MethodSettings": [
          {
            "ResourcePath": "/",
            "HttpMethod": "GET",
            "MetricsEnabled": "true",
            "DataTraceEnabled": "false"
          },
          {
            "ResourcePath": "/stack",
            "HttpMethod": "POST",
            "MetricsEnabled": "true",
            "DataTraceEnabled": "false",
            "ThrottlingBurstLimit": "999"
          },
          {
            "ResourcePath": "/stack",
            "HttpMethod": "GET",
            "MetricsEnabled": "true",
            "DataTraceEnabled": "false",
            "ThrottlingBurstLimit": "555"
          }
        ]
      }
    }
  }
}

Positive test num. 4 - json file

{
  "AWSTemplateFormatVersion": "2010-09-09",
  "Resources": {
    "ProdPos2": {
      "Properties": {
        "CacheClusterEnabled": false,
        "ClientCertificateId": "ClientCertificate",
        "DeploymentId": "TestDeployment",
        "Description": "Prod Stage",
        "DocumentationVersion": "MyDocumentationVersion",
        "MethodSettings": [
          {
            "DataTraceEnabled": "false",
            "HttpMethod": "GET",
            "MetricsEnabled": "true",
            "ResourcePath": "/"
          },
          {
            "DataTraceEnabled": "false",
            "HttpMethod": "POST",
            "MetricsEnabled": "true",
            "ResourcePath": "/stack",
            "ThrottlingBurstLimit": "999"
          },
          {
            "DataTraceEnabled": "false",
            "HttpMethod": "GET",
            "MetricsEnabled": "true",
            "ResourcePath": "/stack",
            "ThrottlingBurstLimit": "555"
          }
        ],
        "RestApiId": "MyRestApi",
        "StageName": "Prod",
        "TracingEnabled": true,
        "Variables": {
          "Stack": "Prod"
        }
      },
      "Type": "AWS::ApiGateway::Stage"
    }
  }
}

Code samples without security vulnerabilities

Negative test num. 1 - yaml file

AWSTemplateFormatVersion: "2010-09-09"
Description: "BatchJobDefinition"
Resources:
  ProdNeg1:
    Type: AWS::ApiGateway::Stage
    Properties:
      StageName: Prod
      Description: Prod Stage
      RestApiId: !Ref MyRestApi
      DeploymentId: !Ref TestDeployment
      DocumentationVersion: !Ref MyDocumentationVersion
      ClientCertificateId: !Ref ClientCertificate
      TracingEnabled: true
      Variables:
        Stack: Prod
      MethodSettings:
        - ResourcePath: /
          HttpMethod: GET
          MetricsEnabled: 'true'
          DataTraceEnabled: 'false'
        - ResourcePath: /stack
          HttpMethod: POST
          MetricsEnabled: 'true'
          DataTraceEnabled: 'false'
          ThrottlingBurstLimit: '999'
        - ResourcePath: /stack
          HttpMethod: GET
          MetricsEnabled: 'true'
          DataTraceEnabled: 'false'
          ThrottlingBurstLimit: '555'
      CacheClusterEnabled: true

Negative test num. 2 - json file

{
  "AWSTemplateFormatVersion": "2010-09-09",
  "Resources": {
    "ProdNeg1": {
      "Properties": {
        "CacheClusterEnabled": true,
        "ClientCertificateId": "ClientCertificate",
        "DeploymentId": "TestDeployment",
        "Description": "Prod Stage",
        "DocumentationVersion": "MyDocumentationVersion",
        "MethodSettings": [
          {
            "DataTraceEnabled": "false",
            "HttpMethod": "GET",
            "MetricsEnabled": "true",
            "ResourcePath": "/"
          },
          {
            "DataTraceEnabled": "false",
            "HttpMethod": "POST",
            "MetricsEnabled": "true",
            "ResourcePath": "/stack",
            "ThrottlingBurstLimit": "999"
          },
          {
            "DataTraceEnabled": "false",
            "HttpMethod": "GET",
            "MetricsEnabled": "true",
            "ResourcePath": "/stack",
            "ThrottlingBurstLimit": "555"
          }
        ],
        "RestApiId": "MyRestApi",
        "StageName": "Prod",
        "TracingEnabled": true,
        "Variables": {
          "Stack": "Prod"
        }
      },
      "Type": "AWS::ApiGateway::Stage"
    }
  }
}