KLA12346 Multiple vulnerabilities in Microsoft Developer Tools

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

Below is a complete list of vulnerabilities:

1. An elevation of privilege vulnerability in Diagnostics Hub Standard Collector can be exploited remotely to gain privileges.
2. An elevation of privilege vulnerability in Visual Studio Code can be exploited remotely to gain privileges.
3. An elevation of privilege vulnerability in Visual Studio can be exploited remotely to gain privileges.
4. A buffer overflow vulnerability in Visual Studio can be exploited remotely to execute arbitrary code.

Original advisories

CVE-2021-42277

CVE-2021-42322

CVE-2021-42319

CVE-2021-3711

Related products

Microsoft-Visual-Studio

CVE list

CVE-2021-42277 unknown

CVE-2021-42322 unknown

CVE-2021-42319 unknown

CVE-2021-3711 unknown

KB list

5007275

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

• ACE

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.

• 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

• Visual Studio CodeMicrosoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)Microsoft Visual Studio 2015 Update 3Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10)Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)