API Gateway Without SSL Certificate

• Query id: ed4c48b8-eccc-4881-95c1-09fdae23db25
• Query name: API Gateway Without SSL Certificate
• Platform: CloudFormation
• Severity: Medium
• Category: Insecure Configurations
• URL: Github

Description

SSL Client Certificate should be enabled
Documentation

Code samples

Code samples with security vulnerabilities

Positive test num. 1 - yaml file

AWSTemplateFormatVersion: "2010-09-09"
Resources:
  ProdApiGatewayStagePos:
    Type: AWS::ApiGateway::Stage
    Properties:
      StageName: Prod
      Description: Prod Stage
      RestApiId: !Ref MyRestApi
      DeploymentId: !Ref TestDeployment
      DocumentationVersion: !Ref MyDocumentationVersion
      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 - json file

{
  "AWSTemplateFormatVersion": "2010-09-09",
  "Resources": {
    "ProdApiGatewayStagePos2": {
      "Type": "AWS::ApiGateway::Stage",
      "Properties": {
        "MethodSettings": [
          {
            "DataTraceEnabled": "false",
            "ResourcePath": "/",
            "HttpMethod": "GET",
            "MetricsEnabled": "true"
          },
          {
            "ResourcePath": "/stack",
            "HttpMethod": "POST",
            "MetricsEnabled": "true",
            "DataTraceEnabled": "false",
            "ThrottlingBurstLimit": "999"
          },
          {
            "MetricsEnabled": "true",
            "DataTraceEnabled": "false",
            "ThrottlingBurstLimit": "555",
            "ResourcePath": "/stack",
            "HttpMethod": "GET"
          }
        ],
        "StageName": "Prod",
        "RestApiId": "MyRestApi",
        "DeploymentId": "TestDeployment",
        "DocumentationVersion": "MyDocumentationVersion",
        "Variables": {
          "Stack": "Prod"
        }
      }
    }
  }
}

Code samples without security vulnerabilities

Negative test num. 1 - yaml file

AWSTemplateFormatVersion: "2010-09-09"
Resources:
  ProdApiGatewayStageNeg:
    Type: AWS::ApiGateway::Stage
    Properties:
      StageName: Prod
      Description: Prod Stage
      RestApiId: !Ref MyRestApi
      DeploymentId: !Ref TestDeployment
      DocumentationVersion: !Ref MyDocumentationVersion
      ClientCertificateId: !Ref ClientCertificate
      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'

Negative test num. 2 - json file

{
  "AWSTemplateFormatVersion": "2010-09-09",
  "Resources": {
    "ProdApiGatewayStageNeg2": {
      "Type": "AWS::ApiGateway::Stage",
      "Properties": {
        "StageName": "Prod",
        "RestApiId": {
          "Ref": "MyRestApi"
        },
        "DeploymentId": {
          "Ref": "TestDeployment"
        },
        "DocumentationVersion": {
          "Ref": "MyDocumentationVersion"
        },
        "ClientCertificateId": {
          "Ref": "ClientCertificate"
        },
        "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"
          }
        ]
      }
    }
  }
}