KLA12200 Multiple vulnerabilities in Microsoft Developer Tools

Multiple vulnerabilities were found in Microsoft Developer Tools. Malicious users can exploit these vulnerabilities to cause denial of service, gain privileges.

Below is a complete list of vulnerabilities:

1. A denial of service vulnerability in ASP.NET can be exploited remotely to cause denial of service.
2. An elevation of privilege vulnerability in Microsoft VsCode Kubernetes Tools Extension can be exploited remotely to gain privileges.

Original advisories

CVE-2021-31957

CVE-2021-31938

Related products

Microsoft-Visual-Studio

CVE list

CVE-2021-31957 high

CVE-2021-31938 high

KB list

Solution

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

Impacts

• DoS

Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.

• PE

Privilege escalation. Exploitation of vulnerabilities with this impact can lead to performing by abuser actions, which are normally disallowed for current role.

Affected Products

• Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)Visual Studio Code - Kubernetes ToolsMicrosoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3).NET 5.0.NET Core 3.1Microsoft Visual Studio 2019 version 16.10 (includes 16.0 - 16.9)Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)Visual Studio 2019 for Mac version 8.10