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

Source: https://junglewise.ai/threats/cve-2023-38178-net-denial-of-service-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-08-09  
License: CC BY 4.0 with a link back

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)](https://junglewise.ai/threats/technologies/microsoft-aspnetcore-app-runtime-win-arm), [Microsoft.AspNetCore.App.Runtime.win-arm64 (NuGet)](https://junglewise.ai/threats/technologies/microsoft-aspnetcore-app-runtime-win-arm64), [Microsoft.AspNetCore.App.Runtime.win-x64 (NuGet)](https://junglewise.ai/threats/technologies/microsoft-aspnetcore-app-runtime-win-x64), [Microsoft.AspNetCore.App.Runtime.win-x86 (NuGet)](https://junglewise.ai/threats/technologies/microsoft-aspnetcore-app-runtime-win-x86), [Microsoft.NetCore.App.Runtime.win-arm (NuGet)](https://junglewise.ai/threats/technologies/microsoft-netcore-app-runtime-win-arm), [Microsoft.NetCore.App.Runtime.win-arm64 (NuGet)](https://junglewise.ai/threats/technologies/microsoft-netcore-app-runtime-win-arm64), [Microsoft.NetCore.App.Runtime.win-x64 (NuGet)](https://junglewise.ai/threats/technologies/microsoft-netcore-app-runtime-win-x64), [Microsoft.NetCore.App.Runtime.win-x86 (NuGet)](https://junglewise.ai/threats/technologies/microsoft-netcore-app-runtime-win-x86). Vendors: [NuGet](https://junglewise.ai/threats/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

  ```sh
  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

  ```sh
  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

  ```sh
  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

  ```sh
  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

  ```sh
  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

  ```sh
  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

  ```sh
  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

  ```sh
  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

## Related threats

- [Microsoft Visual Studio heap buffer overflow RCE](https://junglewise.ai/threats/duplicate-advisory-microsoft-security-advisory-visual-studio-remote-224be73b)
- [Microsoft ASP.NET Core race condition privilege escalation](https://junglewise.ai/threats/duplicate-advisory-microsoft-security-advisory-asp-net-core-security-04275796)
- [Microsoft Visual Studio heap-based buffer overflow](https://junglewise.ai/threats/duplicate-advisory-microsoft-security-advisory-visual-studio-remote-6a4b9d28)
- [Microsoft Visual Studio deserialization remote code execution](https://junglewise.ai/threats/duplicate-advisory-microsoft-security-advisory-visual-studio-remote-1eb2f932)
- [Microsoft Visual Studio heap-based buffer overflow](https://junglewise.ai/threats/duplicate-advisory-microsoft-security-advisory-visual-studio-remote-ba83a5c9)