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CORS Bypass Affecting microsoft.aspnet.mvc.cors package, versions [,1.0.6) [1.1,1.1.6)

0.0
high

  • Attack Complexity

    Low

  • Confidentiality

    High

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  • snyk-id

    SNYK-DOTNET-MICROSOFTASPNETMVCCORS-60127

  • published

    20 Nov 2017

  • disclosed

    15 Nov 2017

  • credit

    Unknown

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Introduced: 15 Nov 2017

CVE-2017-8700 Open this link in a new tab
CWE-79 Open this link in a new tab

How to fix?

Upgrade Microsoft.AspNet.Mvc.Cors to versions 1.0.6, 1.1.5 or higher.

Overview

Microsoft.AspNet.Mvc.Cors is the core runtime components of ASP.NET MVC.

Affected versions of this package are vulnerable to CORS Bypass, which can lead to Information Exposure.

ASP.NET Core 1.0, 1.1, and 2.0 allow an attacker to bypass Cross-origin Resource Sharing (CORS) configurations and retrieve normally restricted content from a web application, aka "ASP.NET Core Information Disclosure Vulnerability".