Arch Linux: ASA-202106-37 Medium: aspnet-runtime Denial Of Service

Arch Linux Security Advisory ASA-202106-37
=========================================
Severity: Medium
Date    : 2021-06-15
CVE-ID  : CVE-2021-31957
Package : aspnet-runtime
Type    : denial of service
Remote  : Yes
Link    : https://security.archlinux.org/AVG-2046

Summary
======
The package aspnet-runtime before version 5.0.7.sdk204-1 is vulnerable
to denial of service.

Resolution
=========
Upgrade to 5.0.7.sdk204-1.

# pacman -Syu "aspnet-runtime>=5.0.7.sdk204-1"

The problem has been fixed upstream in version 5.0.7.sdk204.

Workaround
=========
None.

Description
==========
A denial of service vulnerability exists in .NET 5.0 before Runtime
5.0.7 and SDK 5.0.204 as well as .NET Core 3.1 before Runtime 3.1.16
and SDK 3.1.116 in ASP.NET.

Impact
=====
A remote attacker could crash an ASP.NET application.

References
=========
https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2021-31957
https://github.com/dotnet/announcements/issues/189
https://security.archlinux.org/CVE-2021-31957