Open Redirect Affecting microsoft.aspnetcore.all package, versions [2,2.0.3)


0.0
high

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.51% (77th percentile)
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NVD
8.8 high

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  • Snyk ID SNYK-DOTNET-MICROSOFTASPNETCOREALL-60122
  • published 20 Nov 2017
  • disclosed 15 Nov 2017
  • credit Kévin Chalet

How to fix?

Upgrade Microsoft.AspNetCore.All to versions 2.0.3 or higher.

Overview

Microsoft.AspNetCore.All is the core runtime components of ASP.NET MVC.

Affected versions of this package are vulnerable to Open Redirect, which can lead to Privilege Escalation.

ASP.NET Core 2.0 allows an attacker to steal log-in session information such as cookies or authentication tokens via a specially crafted URL aka "ASP.NET Core Elevation Of Privilege Vulnerability".