core

.NET Core 2.0 November Update - November 14, 2017

.NET Core 2.0.3 and SDK 2.0.3 are available for download and usage in your environment.

The .NET Core SDK 2.0.3 includes .NET Core 2.0.3 Runtime so downloading the runtime packages separately is not needed when installing the SDK. After installing the .NET Core SDK 2.0.3, the following command will show that you’re running version 2.0.3 of the tools.

dotnet --version

Your feedback is important and appreciated. We’ve created dotnet/core #1082 for your questions and comments.

Azure AppServices

Deployment of .NET Core 2.0 support on Azure AppServices is in process. Because AppServices is a high availability service, the deployment is carefully staged across regions over a period of time. Deployment will begin in the West US 2 and North Central US regions with remaining regions following over few days.

.NET Core 2.0 Highlights

Security Advisories

Microsoft is releasing security advisories for .NET Core and ASP.NET Core. Details can be found in corresponding announcements in the .NET Core and ASP.NET Core repos.

CVE-2017-8585 Malformed Certificate can cause Denial of Service

Microsoft is aware of a security vulnerability in .NET Core 1.0, 1.1 and 2.0 where a malformed certificate or other ASN.1 formatted data could lead to a denial of service via an infinite loop on Linux and macOS.

System administrators are advised to update their .NET Core runtimes to versions 1.0.8, 1.1.5 and 2.0.1. Developers are advised to update their .NET Core SDK to version 2.0.3 or 1.1.5.

CVE-2017-11879: Open Redirect can cause Elevation Of Privilege

Microsoft is aware of a security vulnerability in ASP.NET Core 2.0 where an Open Redirect exists, leading to Elevation Of Privilege.

CVE-2017-11770: Denial Of Service Vulnerability

Microsoft is aware of a security vulnerability in ASP.NET Core 1.0, 1.1 and 2.0 where the application is hosted through Windows Http.Sys where a malformed request can lead to a Denial Of Service.

RHEL 6 support

Runtime tarballs are now available for use on Red Hat Enterprise Linux 6.

Docker Images

The .NET Core Docker images have been updated for this release. Look for the 2.0.3 images.

ASP.NET Core

Please see the ASP.NET Core release notes and ASP.NET Core for highlights on work from ASP.NET Core, MVC, Entity Framework Core and others.

Fixes in the November 2017 Update

CLI

CoreCLR

CoreFX