Kaspersky Threats

Дата обнаружения

09/02/2021

Уровень угрозы

Critical

Описание

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

Below is a complete list of vulnerabilities:

A remote code execution vulnerability in .NET Core can be exploited remotely to execute arbitrary code.
A remote code execution vulnerability in Visual Studio Code can be exploited remotely to execute arbitrary code.
An elevation of privilege vulnerability in Sysinternals PsExec can be exploited remotely to gain privileges.
A denial of service vulnerability in .NET Core and Visual Studio can be exploited remotely to cause denial of service.
A remote code execution vulnerability in Package Managers Configurations can be exploited remotely to execute arbitrary code.
A remote code execution vulnerability in Visual Studio Code npm-script Extension can be exploited remotely to execute arbitrary code.
A denial of service vulnerability in .NET Framework can be exploited remotely to cause denial of service.

Эксплуатация

The following public exploits exists for this vulnerability:

https://github.com/jason-ntu/CVE-2021-26700

Пораженные продукты

.NET Core 2.1
Microsoft Visual Studio 2019 version 16.8
Visual Studio Code
Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)
Microsoft .NET Framework 4.7.2
.NET Core 3.1
Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)
Visual Studio Code - npm-script Extension
Microsoft .NET Framework 4.6
.NET 5.0
PsExec
Package Manager Configurations
Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2
Microsoft .NET Framework 4.8
Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2