How to Find AWS API Gateways Without Authorizers
If no authorizer is defined, anyone can use the service.
info
This security check is part of the CIS Amazon Web Services Benchmarks and is rated severity medium.
Prerequisites​
This guide assumes that you have already installed and configured Resoto to collect your AWS resources.
Directions​
Execute the following
search
command in Resoto Shell or Resoto UI:> search is(aws_api_gateway_rest_api) with(empty, --> is(aws_api_gateway_authorizer))
​kind=aws_api_gateway_rest_api, ..., region=resoto-poweruser
​kind=aws_api_gateway_rest_api, ..., account=poweruser-teamPipe the
search
command into thedump
command:> search is(aws_api_gateway_rest_api) with(empty, --> is(aws_api_gateway_authorizer)) | dump
​reported:
​ id: /aws/apigateway/123
​ name: some-name
​ ctime: '2022-12-05T22:53:14Z'
​ kind: aws_api_gateway_rest_api
​ age: 2mo28dThe command output will list the details of all non-compliant
aws_api_gateway_rest_api
resources.
Remediation​
Add a Cognito pool or attach a Lambda function to control access to your API.
note
Please refer to the AWS API Gateway documentation for details.