Microsoft .NET Framework, SharePoint Server, and Visual Studio CVE-2020-1147 Remote Code Execution Vulnerability

Description

A remote code execution vulnerability exists in .NET Framework, Microsoft SharePoint, and Visual Studio when the software fails to check the source markup of XML file input. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the process responsible for deserialization of the XML content. To exploit this vulnerability, an attacker could upload a specially crafted document to a server utilizing an affected product to process content. The security update addresses the vulnerability by correcting how .NET Framework, Microsoft SharePoint, and Visual Studio validates the source markup of XML content.

Affected Applications

Microsoft .NET Framework 4.5.2 on Windows RT 8.1
Microsoft .NET Framework 3.5 AND 4.8 on Windows Server version 1903 (Server Core installation)
Microsoft SharePoint Enterprise Server 2016
Microsoft SharePoint Server 2019
Microsoft Visual Studio 2019 version 16.0
Microsoft .NET Framework 4.8 on Windows RT 8.1
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server version 1803 (Server Core Installation)
.NET Core 3.1
Microsoft .NET Framework 3.5 AND 4.8 on Windows Server version 2004 (Server Core installation)
Windows Server 2016
Windows Server 2012
Windows 10
Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)
Windows Server 2019
Microsoft SharePoint Server 2010 Service Pack 2
Microsoft .NET Framework 4.8 on Windows Server version 1803 (Server Core Installation)
Windows 8
Windows 7
Microsoft .NET Framework 3.5 AND 4.8 on Windows Server version 1909 (Server Core installation)
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 on Windows RT 8.1
Microsoft SharePoint Enterprise Server 2013 Service Pack 1
.NET Core 2.1
Microsoft Visual Studio 2019 version 16.6 (includes 16.0 - 16.5)
Windows Server 2008

CVE References

Other References