KLA11956
Multiple vulnerabilities in Microsoft Developer tools

Updated: 09/25/2020
Detect date
?
09/08/2020
Severity
?
Critical
Description

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

Below is a complete list of vulnerabilities:

  1. A remote code execution vulnerability in Visual Studio can be exploited remotely via specially crafted file to execute arbitrary code.
  2. A remote code execution vulnerability in Visual Studio JSON can be exploited remotely to execute arbitrary code.
  3. An elevation of privilege vulnerability in Diagnostics Hub Standard Collector can be exploited remotely via specially crafted application to gain privileges.
  4. A security feature bypass vulnerability in Microsoft ASP.NET Core can be exploited remotely to bypass security restrictions.
Affected products

Windows 10 Version 1903 for ARM64-based Systems
Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)
Windows 10 Version 1803 for 32-bit Systems
Windows 10 Version 2004 for ARM64-based Systems
Windows 10 Version 1909 for 32-bit Systems
ASP.NET Core 3.1
Windows Server 2019
Windows 10 Version 1607 for 32-bit Systems
Windows 10 Version 1903 for x64-based Systems
Windows 10 for 32-bit Systems
Windows Server 2016
Windows 10 Version 1909 for ARM64-based Systems
Windows 10 Version 1709 for 32-bit Systems
Windows 10 Version 2004 for 32-bit Systems
Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)
Windows 10 Version 1909 for x64-based Systems
Microsoft Visual Studio 2019 version 16.0
Windows 10 Version 1903 for 32-bit Systems
Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)
Windows Server 2016 (Server Core installation)
Windows Server 2019 (Server Core installation)
Visual Studio Code
Windows 10 Version 1607 for x64-based Systems
Windows 10 Version 1809 for x64-based Systems
Windows Server, version 1903 (Server Core installation)
Windows 10 Version 1809 for ARM64-based Systems
Windows 10 Version 1803 for x64-based Systems
Windows Server, version 1909 (Server Core installation)
ASP.NET Core 2.1
Windows 10 for x64-based Systems
Windows 10 Version 2004 for x64-based Systems
Windows Server, version 2004 (Server Core installation)
Microsoft Visual Studio 2013 Update 5
Windows 10 Version 1709 for x64-based Systems
Windows 10 Version 1709 for ARM64-based Systems
Microsoft Visual Studio 2012 Update 5
Windows 10 Version 1803 for ARM64-based Systems
Microsoft Visual Studio 2015 Update 3
Windows 10 Version 1809 for 32-bit Systems

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)

Original advisories

CVE-2020-16874
CVE-2020-16881
CVE-2020-1130
CVE-2020-1133
CVE-2020-1045
CVE-2020-16856

Impacts
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ACE 
[?]

SB 
[?]

PE 
[?]
Related products
Microsoft Visual Studio
Microsoft Windows
Microsoft Windows Server
Microsoft Windows 10
CVE-IDS
?
CVE-2020-11304.6Warning
CVE-2020-11334.6Warning
CVE-2020-168749.3Critical
CVE-2020-168819.3Critical
CVE-2020-10455.0Critical
CVE-2020-168569.3Critical
KB list

4576950
4571480
4571479
4571481

Microsoft official advisories
Microsoft Security Update Guide
Find out the statistics of the vulnerabilities spreading in your region