USN-6427-2: .NET vulnerability
19 October 2023
.NET could be made to crash if it received specially crafted network traffic.
Releases
Packages
- dotnet8 - .NET CLI tools and runtime
Details
USN-6427-1 fixed a vulnerability in .NET. This update
provides the corresponding update for .NET 8.
Original advisory details:
It was discovered that the .NET Kestrel web server did not properly handle
HTTP/2 requests. A remote attacker could possibly use this issue to cause a
denial of service.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 23.10
-
aspnetcore-runtime-8.0
-
8.0.0~rc2-0ubuntu1
-
dotnet-host-8.0
-
8.0.0~rc2-0ubuntu1
-
dotnet-hostfxr-8.0
-
8.0.0~rc2-0ubuntu1
-
dotnet-runtime-8.0
-
8.0.0~rc2-0ubuntu1
-
dotnet-sdk-8.0
-
8.0.100~rc2-0ubuntu1
-
dotnet8
-
8.0.100-8.0.0~rc2-0ubuntu1
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-6427-1: dotnet-sdk-7.0, dotnet-sdk-6.0-source-built-artifacts, dotnet-apphost-pack-7.0, dotnet-hostfxr-6.0, aspnetcore-targeting-pack-7.0, dotnet-host, dotnet-targeting-pack-6.0, dotnet-targeting-pack-7.0, dotnet-sdk-7.0-source-built-artifacts, dotnet6, dotnet-runtime-6.0, netstandard-targeting-pack-2.1, aspnetcore-runtime-7.0, dotnet-host-7.0, dotnet-runtime-7.0, dotnet-hostfxr-7.0, dotnet7, dotnet-sdk-6.0, dotnet-templates-7.0, netstandard-targeting-pack-2.1-7.0, aspnetcore-targeting-pack-6.0, aspnetcore-runtime-6.0, dotnet-apphost-pack-6.0, dotnet-templates-6.0
- USN-6438-1: dotnet-sdk-7.0, dotnet-sdk-6.0-source-built-artifacts, dotnet-apphost-pack-7.0, dotnet-hostfxr-6.0, aspnetcore-targeting-pack-7.0, dotnet-host, dotnet-targeting-pack-6.0, dotnet-targeting-pack-7.0, dotnet-sdk-7.0-source-built-artifacts, dotnet6, dotnet-runtime-6.0, netstandard-targeting-pack-2.1, aspnetcore-runtime-7.0, dotnet-host-7.0, dotnet-runtime-7.0, dotnet-hostfxr-7.0, dotnet7, dotnet-sdk-6.0, dotnet-templates-7.0, netstandard-targeting-pack-2.1-7.0, aspnetcore-targeting-pack-6.0, aspnetcore-runtime-6.0, dotnet-apphost-pack-6.0, dotnet-templates-6.0
- USN-6505-1: nghttp2-client, nghttp2-server, libnghttp2-14, libnghttp2-doc, nghttp2-proxy, nghttp2, libnghttp2-dev
- USN-6574-1: golang-1.20-go, golang-1.20-src, golang-1.21-doc, golang-1.20-doc, golang-1.21, golang-1.21-go, golang-1.20, golang-1.21-src
- USN-6754-1: nghttp2-client, nghttp2-server, libnghttp2-14, libnghttp2-doc, nghttp2-proxy, nghttp2, libnghttp2-dev
- USN-6994-1: netty, libnetty-java