Signature Validation Bypass Affecting servicestack package, versions [,5.9.2)


0.0
medium

Snyk CVSS

    Attack Complexity High
Expand this section
NVD
5.3 medium

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  • Snyk ID SNYK-DOTNET-SERVICESTACK-1035519
  • published 3 Nov 2020
  • disclosed 3 Nov 2020
  • credit Unknown

How to fix?

Upgrade ServiceStack to version 5.9.2 or higher.

Overview

ServiceStack is a simple and fast alternative to WCF, MVC and Web API in one cohesive framework for all your services and web apps.

Affected versions of this package are vulnerable to Signature Validation Bypass. It mishandles JWT signature verification unless an application has a custom ValidateToken function that establishes a valid minimum length for a signature.