Cyber Security Focus – use a Raspberry Pi for Windows 10 (17th May 2021)

Preface: Windows 10 IoT Core is a version of Windows 10 that is optimized for smaller devices with or without a display, and that runs on the Raspberry Pi 2 and 3.

Background: ASP.NET Core is one of the best frameworks available to make cross-platform web applications. The free Windows 10 IoT Core along with ASP.NET 3.0 allows one to build applications or background run services on an IoT device. Since Windows 10 requires greater amounts of RAM than most Linux distributions, only a Raspberry Pi 4, 3, or 2 with at least 1 GB of RAM can run the ARM edition through the WoR project.

Vulnerability details: An unauthenticated attacker could send a specially crafted packet to a targeted server utilizing the HTTP Protocol Stack (http.sys) to process packets.The issue with that is that an attacker can trigger a code-path that frees every entries of the local list leaving them dangling in the Request object.

Reminder: If you plan to run Windows 10 IoT Core on Raspberry Pi. Don’t forget to fix it.

Remedy: https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-31166

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