CVE-2018-8269: Denial of service in ASP.NET Core

CVE-2018-8269 · Severity: low · CVSS 3 · Published 2018-10-16

Denial of service in ASP.NET Core

Technologies: Microsoft.AspNetCore.All (NuGet). Vendors: NuGet.

Quick answers

Is CVE-2018-8269 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2018-8269 being exploited in the wild.
How severe is CVE-2018-8269?
Low severity, with a CVSS score of 3, published 16 October 2018.
Which products and versions are affected?
Microsoft.AspNetCore.All (NuGet) ECOSYSTEM:introduced=2.1.0,fixed=2.1.13; Microsoft.AspNetCore.DataProtection.AzureStorage (NuGet) ECOSYSTEM:introduced=2.1.0,fixed=2.1.13; Microsoft.Data.OData (NuGet) ECOSYSTEM:introduced=0,fixed=5.8.4.
Is there a fix for CVE-2018-8269?
Yes. Microsoft.AspNetCore.All (NuGet): upgrade to 2.1.13 or later; Microsoft.AspNetCore.DataProtection.AzureStorage (NuGet): upgrade to 2.1.13 or later; Microsoft.Data.OData (NuGet): upgrade to 5.8.4 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2018-8269?
Check whether you run Microsoft.AspNetCore.All (NuGet), Microsoft.AspNetCore.DataProtection.AzureStorage (NuGet) or Microsoft.Data.OData (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 2.1.13 or later
    dotnet add package Microsoft.AspNetCore.All --version 2.1.13
  • Microsoft.AspNetCore.DataProtection.AzureStorage (NuGet): upgrade to 2.1.13 or later
    dotnet add package Microsoft.AspNetCore.DataProtection.AzureStorage --version 2.1.13
  • Microsoft.Data.OData (NuGet): upgrade to 5.8.4 or later
    dotnet add package Microsoft.Data.OData --version 5.8.4

Affected products

  • Microsoft.AspNetCore.All (NuGet) ECOSYSTEM:introduced=2.1.0,fixed=2.1.13
  • Microsoft.AspNetCore.DataProtection.AzureStorage (NuGet) ECOSYSTEM:introduced=2.1.0,fixed=2.1.13
  • Microsoft.Data.OData (NuGet) ECOSYSTEM:introduced=0,fixed=5.8.4

Identifiers

  • CVE-2018-8269
  • GHSA-mv2r-q4g5-j8q5

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