QID 580514

QID 580514: Integer Fields Minimum Mismatch Schema

In this scenario minimum values for integer fields, whose minimum limit is defined, are tested. For all integer type fields who minimum is not defined, this test is skipped. Values less than the minimum defined in the swagger file for integer fields are sent to the server for the endpoint being tested. The expectation is that the server will reject the request as invalid, if the value is lower than it's minimum defined in the swagger file. Based on testing done replacing integer fields with values lower than the minimum defined in the swagger file it is determined that the defined minimum limits in the swagger files are not enforced successfully by the server for all integer type fields.

Enforcing the minimum value set on the field will help provide clarity to the API users and avoid abuse of the API by hackers. Enforcing limits help in mitigating resource exhaustion attacks. Since handling integer field types is not adhering to the schema, the current end point is potential to resource exhaustion attacks.

CVSS V3 rated as High - 7.3 severity.

CVSS V2 rated as High - 7.5 severity.

Solution

N/A

Vendor References

CVEs related to QID 580514

Software Advisories

Advisory ID	Software	Component	Link

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