CVE-2019-1075: Open redirect in ASP.NET Core

CVE-2019-1075 · Severity: low · CVSS 3 · Published 2022-05-24

Open redirect in ASP.NET Core

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

Quick answers

Is CVE-2019-1075 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2019-1075 being exploited in the wild.
How severe is CVE-2019-1075?
Low severity, with a CVSS score of 3, published 24 May 2022.
Which products and versions are affected?
Microsoft.AspNetCore.All (NuGet) ECOSYSTEM:introduced=2.2.0,fixed=2.2.6; Microsoft.AspNetCore.App (NuGet) ECOSYSTEM:introduced=2.2.0,fixed=2.2.6; Microsoft.AspNetCore.Server.HttpSys (NuGet) ECOSYSTEM:introduced=2.2.0,fixed=2.2.6; Microsoft.AspNetCore.Server.IIS (NuGet) ECOSYSTEM:introduced=2.2.0,fixed=2.2.6.
Is there a fix for CVE-2019-1075?
Yes. Microsoft.AspNetCore.All (NuGet): upgrade to 2.2.6 or later; Microsoft.AspNetCore.App (NuGet): upgrade to 2.2.6 or later; Microsoft.AspNetCore.Server.HttpSys (NuGet): upgrade to 2.2.6 or later; Microsoft.AspNetCore.Server.IIS (NuGet): upgrade to 2.2.6 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2019-1075?
Check whether you run Microsoft.AspNetCore.All (NuGet), Microsoft.AspNetCore.App (NuGet), Microsoft.AspNetCore.Server.HttpSys (NuGet) or one of the others listed 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 2.2.6 or later
    dotnet add package Microsoft.AspNetCore.All --version 2.2.6
  • Microsoft.AspNetCore.App (NuGet): upgrade to 2.2.6 or later
    dotnet add package Microsoft.AspNetCore.App --version 2.2.6
  • Microsoft.AspNetCore.Server.HttpSys (NuGet): upgrade to 2.2.6 or later
    dotnet add package Microsoft.AspNetCore.Server.HttpSys --version 2.2.6
  • Microsoft.AspNetCore.Server.IIS (NuGet): upgrade to 2.2.6 or later
    dotnet add package Microsoft.AspNetCore.Server.IIS --version 2.2.6

Affected products

  • Microsoft.AspNetCore.All (NuGet) ECOSYSTEM:introduced=2.2.0,fixed=2.2.6
  • Microsoft.AspNetCore.App (NuGet) ECOSYSTEM:introduced=2.2.0,fixed=2.2.6
  • Microsoft.AspNetCore.Server.HttpSys (NuGet) ECOSYSTEM:introduced=2.2.0,fixed=2.2.6
  • Microsoft.AspNetCore.Server.IIS (NuGet) ECOSYSTEM:introduced=2.2.0,fixed=2.2.6

Identifiers

  • CVE-2019-1075
  • GHSA-prrf-397v-83xh

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