CVE-2023-38178: .NET Denial of Service Vulnerability

CVE-2023-38178 · Severity: low · CVSS 3.1 · Published 2023-08-09

.NET Denial of Service Vulnerability

Technologies: Microsoft.AspNetCore.App.Runtime.win-arm (NuGet), Microsoft.AspNetCore.App.Runtime.win-arm64 (NuGet), Microsoft.AspNetCore.App.Runtime.win-x64 (NuGet), Microsoft.AspNetCore.App.Runtime.win-x86 (NuGet), Microsoft.NetCore.App.Runtime.win-arm (NuGet), Microsoft.NetCore.App.Runtime.win-arm64 (NuGet), Microsoft.NetCore.App.Runtime.win-x64 (NuGet), Microsoft.NetCore.App.Runtime.win-x86 (NuGet). Vendors: NuGet.

Quick answers

Is CVE-2023-38178 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2023-38178 being exploited in the wild.
How severe is CVE-2023-38178?
Low severity, with a CVSS score of 3.1, published 9 August 2023.
Which products and versions are affected?
Microsoft.AspNetCore.App.Runtime.win-arm (NuGet) ECOSYSTEM:introduced=7.0.0,fixed=7.0.10; Microsoft.AspNetCore.App.Runtime.win-arm64 (NuGet) ECOSYSTEM:introduced=7.0.0,fixed=7.0.10; Microsoft.AspNetCore.App.Runtime.win-x64 (NuGet) ECOSYSTEM:introduced=7.0.0,fixed=7.0.10; Microsoft.AspNetCore.App.Runtime.win-x86 (NuGet) ECOSYSTEM:introduced=7.0.0,fixed=7.0.10; and 4 more.
Is there a fix for CVE-2023-38178?
Yes. Microsoft.AspNetCore.App.Runtime.win-arm (NuGet): upgrade to 7.0.10 or later; Microsoft.AspNetCore.App.Runtime.win-arm64 (NuGet): upgrade to 7.0.10 or later; Microsoft.AspNetCore.App.Runtime.win-x64 (NuGet): upgrade to 7.0.10 or later; Microsoft.AspNetCore.App.Runtime.win-x86 (NuGet): upgrade to 7.0.10 or later; Microsoft.NetCore.App.Runtime.win-arm (NuGet): upgrade to 7.0.10 or later; Microsoft.NetCore.App.Runtime.win-arm64 (NuGet): upgrade to 7.0.10 or later; Microsoft.NetCore.App.Runtime.win-x64 (NuGet): upgrade to 7.0.10 or later; Microsoft.NetCore.App.Runtime.win-x86 (NuGet): upgrade to 7.0.10 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2023-38178?
Check whether you run Microsoft.AspNetCore.App.Runtime.win-arm (NuGet), Microsoft.AspNetCore.App.Runtime.win-arm64 (NuGet), Microsoft.AspNetCore.App.Runtime.win-x64 (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.App.Runtime.win-arm (NuGet): upgrade to 7.0.10 or later
    dotnet add package Microsoft.AspNetCore.App.Runtime.win-arm --version 7.0.10
  • Microsoft.AspNetCore.App.Runtime.win-arm64 (NuGet): upgrade to 7.0.10 or later
    dotnet add package Microsoft.AspNetCore.App.Runtime.win-arm64 --version 7.0.10
  • Microsoft.AspNetCore.App.Runtime.win-x64 (NuGet): upgrade to 7.0.10 or later
    dotnet add package Microsoft.AspNetCore.App.Runtime.win-x64 --version 7.0.10
  • Microsoft.AspNetCore.App.Runtime.win-x86 (NuGet): upgrade to 7.0.10 or later
    dotnet add package Microsoft.AspNetCore.App.Runtime.win-x86 --version 7.0.10
  • Microsoft.NetCore.App.Runtime.win-arm (NuGet): upgrade to 7.0.10 or later
    dotnet add package Microsoft.NetCore.App.Runtime.win-arm --version 7.0.10
  • Microsoft.NetCore.App.Runtime.win-arm64 (NuGet): upgrade to 7.0.10 or later
    dotnet add package Microsoft.NetCore.App.Runtime.win-arm64 --version 7.0.10
  • Microsoft.NetCore.App.Runtime.win-x64 (NuGet): upgrade to 7.0.10 or later
    dotnet add package Microsoft.NetCore.App.Runtime.win-x64 --version 7.0.10
  • Microsoft.NetCore.App.Runtime.win-x86 (NuGet): upgrade to 7.0.10 or later
    dotnet add package Microsoft.NetCore.App.Runtime.win-x86 --version 7.0.10

Affected products

  • Microsoft.AspNetCore.App.Runtime.win-arm (NuGet) ECOSYSTEM:introduced=7.0.0,fixed=7.0.10
  • Microsoft.AspNetCore.App.Runtime.win-arm64 (NuGet) ECOSYSTEM:introduced=7.0.0,fixed=7.0.10
  • Microsoft.AspNetCore.App.Runtime.win-x64 (NuGet) ECOSYSTEM:introduced=7.0.0,fixed=7.0.10
  • Microsoft.AspNetCore.App.Runtime.win-x86 (NuGet) ECOSYSTEM:introduced=7.0.0,fixed=7.0.10
  • Microsoft.NetCore.App.Runtime.win-arm (NuGet) ECOSYSTEM:introduced=7.0.0,fixed=7.0.10
  • Microsoft.NetCore.App.Runtime.win-arm64 (NuGet) ECOSYSTEM:introduced=7.0.0,fixed=7.0.10
  • Microsoft.NetCore.App.Runtime.win-x64 (NuGet) ECOSYSTEM:introduced=7.0.0,fixed=7.0.10
  • Microsoft.NetCore.App.Runtime.win-x86 (NuGet) ECOSYSTEM:introduced=7.0.0,fixed=7.0.10

Identifiers

  • CVE-2023-38178
  • GHSA-p57v-gv7q-4xfm

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