Microsoft Security Advisory CVE-2024-35264 | .NET Remote Code Execution Vulnerability
Date: 2024-07
Affected: nuget/Microsoft.AspNetCore.App.Runtime.win-x86, nuget/Microsoft.AspNetCore.App.Runtime.win-x64, nuget/Microsoft.AspNetCore.App.Runtime.win-arm64
Attack vector: rce
Category: vulnerability-disclosure
Severity: Critical
CVE: CVE-2024-35264
CWE: CWE-416
CVSS: 8.1 (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

# Microsoft Security Advisory CVE-2024-35264 | .NET Remote Code Execution Vulnerability ## <a name="executive-summary"></a>Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 8.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A Vulnerability exists in ASP.NET Core 8 where Data Corruption in Kestrel HTTP/3 can result in remote code execution. Note: HTTP/3 is experimental in .NET 6.0. If you are on .NET 6.0 and using HTTP/3, please upgrade to .NET 8.0.7 ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/314 ## <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 8.0 application running on .NET 8.0.6 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 ### <a name="ASP.NET 8"></a>ASP.NET 8 Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- [Microsoft.AspNetCore.App.Runtime.linux-arm](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.linux-arm) | >=8.0.0, <= 8.0.6 | 8.0.7 [Microsoft.AspNetCore.App.Runtime.linux-arm64](https


Mitigations:

Architectural layers (MAESTRO):