How to Find AWS API Gateway without Client Certificate enabled to access your Backend Endpoint
Man in the middle attacks are possible and other similar risks.
This security check is part of the CIS Amazon Web Services Benchmarks and is rated severity medium.
This guide assumes that you have already installed and configured Resoto to collect your AWS cloud resources.
Execute the following
searchcommand in Resoto Shell or Resoto UI:
> search is(aws_api_gateway_stage) and stage_client_certificate_id==null <-- is(aws_api_gateway_rest_api)
kind=aws_api_gateway_stage, ..., region=resoto-poweruser
kind=aws_api_gateway_stage, ..., account=poweruser-team
searchcommand into the
> search is(aws_api_gateway_stage) and stage_client_certificate_id==null <-- is(aws_api_gateway_rest_api) | dump
The command output will list the details of all non-compliant
Fix detected issues by following the remediation steps:
Enable client certificate. Mutual TLS is recommended and commonly used for business-to-business (B2B) applications. It iss used in standards such as Open Banking. API Gateway now provides integrated mutual TLS authentication at no additional cost.note
Please refer to the AWS API Gateway documentation for details.