Moderate severity vulnerability that affects Microsoft.AspNetCore.All, Microsoft.AspNetCore.App, and…

Severity: info · Published 2018-10-16

Moderate severity vulnerability that affects Microsoft.AspNetCore.All, Microsoft.AspNetCore.App, and Microsoft.AspNetCore.Server.Kestrel.Core

Technologies: Microsoft.AspNetCore.All (NuGet), Microsoft.AspNetCore.App (NuGet), Microsoft.AspNetCore.Server.Kestrel.Core (NuGet). Vendors: NuGet.

Quick answers

Is This vulnerability exploited in the wild?
No. Junglewise Threat Intelligence has no report of This vulnerability being exploited in the wild.
How severe is This vulnerability?
Informational severity, published 16 October 2018.
Which products and versions are affected?
Microsoft.AspNetCore.All (NuGet) ECOSYSTEM:introduced=2.0.0,fixed=2.0.9; Microsoft.AspNetCore.App (NuGet) ECOSYSTEM:introduced=2.1.0,fixed=2.1.2; Microsoft.AspNetCore.Server.Kestrel.Core (NuGet) ECOSYSTEM:introduced=2.0.0,fixed=2.0.4.
Is there a fix for This vulnerability?
Yes. Microsoft.AspNetCore.All (NuGet): upgrade to 2.0.9 or later; Microsoft.AspNetCore.App (NuGet): upgrade to 2.1.2 or later; Microsoft.AspNetCore.Server.Kestrel.Core (NuGet): upgrade to 2.0.4 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected?
Check whether you run Microsoft.AspNetCore.All (NuGet), Microsoft.AspNetCore.App (NuGet) or Microsoft.AspNetCore.Server.Kestrel.Core (NuGet) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Microsoft.AspNetCore.All (NuGet): upgrade to 2.0.9 or later
    dotnet add package Microsoft.AspNetCore.All --version 2.0.9
  • Microsoft.AspNetCore.App (NuGet): upgrade to 2.1.2 or later
    dotnet add package Microsoft.AspNetCore.App --version 2.1.2
  • Microsoft.AspNetCore.Server.Kestrel.Core (NuGet): upgrade to 2.0.4 or later
    dotnet add package Microsoft.AspNetCore.Server.Kestrel.Core --version 2.0.4

Affected products

  • Microsoft.AspNetCore.All (NuGet) ECOSYSTEM:introduced=2.0.0,fixed=2.0.9
  • Microsoft.AspNetCore.App (NuGet) ECOSYSTEM:introduced=2.1.0,fixed=2.1.2
  • Microsoft.AspNetCore.Server.Kestrel.Core (NuGet) ECOSYSTEM:introduced=2.0.0,fixed=2.0.4

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