QID 580539

QID 580539: Undefined Field Addition Response Mismatches Schema

The purpose of the test is to control the data that goes over the wire. This test will ensure injections are restricted. Insertion on each request is determined based on presence of body or parameters. If the end point has a body the injection of new field will happen in the body. If there are query parameters the injection of new field will happen in query parameters. The API server should reject all the requests that have new fields in the body with a 4XX response. The requests with fields that are not defined are rejected. The response code matches the swagger definition. The response received for the request with undefined values is not expected and does not matches the response documented in the swagger file schema.

Making sure new fields are not allowed will prevent injection attacks in the API.

CVSS V3 rated as Medium - 5.4 severity.

CVSS V2 rated as Low - 0 severity.

Solution

Please update the API endpoint response to match the swagger schema definition or update the schema to match the server response.

Vendor References

CVEs related to QID 580539

Software Advisories

Advisory ID	Software	Component	Link

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