Security Updates for Microsoft Visual Studio Products (September 2021)

high Nessus Plugin ID 153428

Synopsis

The Microsoft Visual Studio Products are missing a security update.

Description

The Microsoft Visual Studio Products are missing a security update. They are, therefore, affected by multiple vulnerabilities:

- A permission assignment vulnerability exists in Visual Studio after installing the Game development with C++ and selecting the Unreal Engine Installer workload. The system is vulnerable to LPE during the installation it creates a directory with write access to all users. (CVE-2021-26434)

- A code execution vulnerability exists in Visual Studio due to incorrect memory handling. An unauthenticated, local attacker can exploit this to bypass authentication and execute arbitrary commands. (CVE-2021-36952)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Microsoft has released the following security updates to address this issue:
- Update 15.9.39 for Visual Studio 2017
- Update 16.4.26 for Visual Studio 2019
- Update 16.7.19 for Visual Studio 2019
- Update 16.9.11 for Visual Studio 2019
- Update 16.11.3 for Visual Studio 2019

See Also

http://www.nessus.org/u?1db01a4c

http://www.nessus.org/u?c03ca82f

http://www.nessus.org/u?ae9fc5ee

http://www.nessus.org/u?ee4d9587

http://www.nessus.org/u?e51fa707

Plugin Details

Severity: High

ID: 153428

File Name: smb_nt_ms21_sep_visual_studio.nasl

Version: 1.6

Type: local

Agent: windows

Published: 9/16/2021

Updated: 5/9/2022

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure

Risk Information

CVSS Score Source: CVE-2021-26434

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:microsoft:visual_studio

Required KB Items: installed_sw/Microsoft Visual Studio, SMB/Registry/Enumerated

Exploit Ease: No known exploits are available

Patch Publication Date: 9/14/2021

Vulnerability Publication Date: 9/14/2021

Reference Information

CVE: CVE-2021-26434, CVE-2021-36952

IAVA: 2021-A-0430-S