Microsoft Security Advisory CVE-2024-21392: .NET Denial of Service Vulnerability
Date: 2024-03
Affected: nuget/Microsoft.NETCore.App.Runtime.win-x64, nuget/Microsoft.NETCore.App.Runtime.win-x86, nuget/Microsoft.NETCore.App.Runtime.win-arm64
Attack vector: dos
Category: vulnerability-disclosure
Severity: High
CVE: CVE-2024-21392
CWE: CWE-400
CVSS: 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

# Microsoft Security Advisory CVE-2024-21392: .NET Denial of Service Vulnerability ## <a name="executive-summary"></a>Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 7.0 and .NET 8.0 . This advisory also provides guidance on what developers can do to update their applications to address this vulnerability. A vulnerability exists in .NET where specially crafted requests may cause a resource leak, leading to a Denial of Service ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/299 ### <a name="mitigation-factors"></a>Mitigation factors Microsoft has not identified any mitigating factors for this vulnerability. ## <a name="affected-software"></a>Affected software * Any .NET 7.0 application running on .NET 7.0.16 or earlier. * Any .NET 8.0 application running on .NET 8.0.2 or earlier. ## <a name="affected-packages"></a>Affected Packages The vulnerability affects any Microsoft .NET Core project if it uses any of affected packages versions listed below Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- [Microsoft.NETCore.App.Runtime.linux-arm](https://www.nuget.org/packages/Microsoft.NETCore.App.Runtime.linux-arm) | <= 7.0.16 | 7.0.17 [Microsoft.NETCore.App.Runtime.linux-arm64](https://www.nuget.org/packages/Microsoft.NETCore.App.Runtime.linux-arm64) | <= 7.0.16


Mitigations:

Architectural layers (MAESTRO):