![]() This is a built-in GraphQL feature that enables users to query the structure of the API itself. Crawling GraphQL APIsīurp Scanner can fully crawl and audit GraphQL API endpoints. To find out why the scan has skipped an endpoint, check the event log. Body parameters of this type are supported. For example, JSON parameters in an application/x-www-form-urlencoded body. Query or body parameters with embedded mixed types.JSON body parameters of this type are supported. Query or body parameters of type array.Server and path parameters are only supported if they are of an enumerated type or if example values are provided in the definition.īurp Scanner does not support endpoints that require any of the following to be present in the request: ![]() However, it can use Burp's normal authentication-handling features when scanning APIs. Any endpoints that do not conform to these criteria are excluded from the scan:īurp Scanner cannot handle any authentication that is implemented on the endpoint level. If the API definition provides example sets of parameters, Burp Scanner uses the final provided example in its request.īurp Scanner can only scan API endpoints that meet certain criteria. If an endpoint uses numeric values, Burp Scanner uses the maximum and minimum values as specified. If an endpoint uses enumerated types, Burp Scanner sends a separate request for each of the parameter's permitted values. If an endpoint has optional parameters, Burp Scanner sends at least two requests to that endpoint: one containing only mandatory parameters and one containing both mandatory and optional parameters. For example, if a definition had three servers, each with GET and POST methods, then Burp Scanner would identify six endpoints. However, the crawler still needs to try a reasonable number of possible parameter combinations to make sure that it exposes all possible attack surfaces.Īs such, Burp Scanner sends requests in line with the following rules:īurp Scanner treats every combination of in-scope server and path methods (such as GET and POST) in the API definition as its own endpoint. In these cases, it would be impossible for the crawler to attempt all parameter combinations. For example, an open String parameter with no constraints would have a virtually unlimited number of potential valid inputs. Burp Scanner can then derive new locations to crawl and audit based on the endpoints that it discovers.ĭepending on the design of the API, each endpoint could have a huge number of potential parameters. When crawling an API definition, Burp Scanner sends a series of requests to identify potential endpoints, along with their supported methods and parameters. The API definition must not contain any external references.ĭeciding what parameters to send in the crawl.The specification of the API definition must be OpenAPI version 3.x.x, and based on either JSON or YAML.Scan launcher - information on setting scan URLs in Burp Suite Professional.īurp Scanner needs to be able to parse an API definition in order to scan it.īurp Scanner can only parse definitions that meet the following requirements:.Adding new sites - information on setting scan URLs in Burp Suite Enterprise Edition.This helps cut through the noise when there is just one request/response pair you are interested in. Right-click > Do intercept > Response to this request A useful trick, particularly when an application includes many additional, ancillary requests, is to intercept the response to a particular request. Proxyīurp Suite’s proxy allows requests to be intercepted and modified between the browser and application. Our hope is that by pointing some of these tips and tricks out, your testing will benefit as well. While these are not terribly complicated, they have had a positive impact on our workflow. However, after years of testing with Burp Suite, members of the TrustedSec Software Security team have put together a brief list of useful features that have improved our testing, and things we wish we had known sooner. Even after learning and becoming comfortable with the core functionality, there remains a great deal of depth throughout Burp Suite, and many users may not stray far from the staples they know. By Aaron James in Penetration Testing, Security Testing & Analysis A brief list of useful things we wish we had known soonerīurp Suite Pro can be complicated and intimidating.
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