CVE-2020-0646

Description

A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate input properly, aka '.NET Framework Remote Code Execution Injection Vulnerability'.

CVSS breakdown

Affected products

• Microsoft / Microsoft .NET Framework 3.0Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2 – Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2
• Microsoft / Microsoft .NET Framework 3.0Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 – Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2
• Microsoft / Microsoft .NET Framework 3.0Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 – Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2
• Microsoft / Microsoft .NET Framework 3.5Windows Server 2012 R2 (Server Core installation) – Windows Server 2012 R2 (Server Core installation)
• Microsoft / Microsoft .NET Framework 3.5Windows 10 Version 1607 for 32-bit Systems – Windows 10 Version 1607 for 32-bit Systems
• Microsoft / Microsoft .NET Framework 3.5Windows 8.1 for 32-bit systems – Windows 8.1 for 32-bit systems
• Microsoft / Microsoft .NET Framework 3.5Windows 8.1 for x64-based systems – Windows 8.1 for x64-based systems
• Microsoft / Microsoft .NET Framework 3.5Windows Server 2012 – Windows Server 2012
• Microsoft / Microsoft .NET Framework 3.5Windows Server 2012 (Server Core installation) – Windows Server 2012 (Server Core installation)
• Microsoft / Microsoft .NET Framework 3.5Windows Server 2012 R2 – Windows Server 2012 R2
• Microsoft / Microsoft .NET Framework 3.5.1Windows 7 for x64-based Systems Service Pack 1 – Windows 7 for x64-based Systems Service Pack 1
• Microsoft / Microsoft .NET Framework 3.5.1Windows 7 for 32-bit Systems Service Pack 1 – Windows 7 for 32-bit Systems Service Pack 1
• Microsoft / Microsoft .NET Framework 3.5.1Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) – Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
• Microsoft / Microsoft .NET Framework 3.5.1Windows Server 2008 R2 for x64-based Systems Service Pack 1 – Windows Server 2008 R2 for x64-based Systems Service Pack 1
• Microsoft / Microsoft .NET Framework 3.5.1Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 – Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1
• Microsoft / Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systemsunspecified – unspecified
• Microsoft / Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for x64-based Systemsunspecified – unspecified
• Microsoft / Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016unspecified – unspecified
• Microsoft / Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 (Server Core installation)unspecified – unspecified
• Microsoft / Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for 32-bit Systemsunspecified – unspecified
• Microsoft / Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for x64-based Systemsunspecified – unspecified
• Microsoft / Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 for 32-bit Systemsunspecified – unspecified
• Microsoft / Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 for x64-based Systemsunspecified – unspecified
• Microsoft / Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for 32-bit Systemsunspecified – unspecified
• Microsoft / Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for x64-based Systemsunspecified – unspecified
• Microsoft / Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systemsunspecified – unspecified
• Microsoft / Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systemsunspecified – unspecified
• Microsoft / Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019unspecified – unspecified
• Microsoft / Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation)unspecified – unspecified
• Microsoft / Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server, version 1803 (Server Core Installation)unspecified – unspecified
• Microsoft / Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systemsunspecified – unspecified
• Microsoft / Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systemsunspecified – unspecified
• Microsoft / Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for 32-bit Systemsunspecified – unspecified
• Microsoft / Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for x64-based Systemsunspecified – unspecified
• Microsoft / Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for 32-bit Systemsunspecified – unspecified
• Microsoft / Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for x64-based Systemsunspecified – unspecified
• Microsoft / Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019unspecified – unspecified
• Microsoft / Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation)unspecified – unspecified
• Microsoft / Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1903 (Server Core installation)1903 – 1903
• Microsoft / Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1909 (Server Core installation)unspecified – unspecified
• Microsoft / Microsoft .NET Framework 4.5.2Windows 7 for x64-based Systems Service Pack 1 – Windows 7 for x64-based Systems Service Pack 1
• Microsoft / Microsoft .NET Framework 4.5.2Windows 7 for 32-bit Systems Service Pack 1 – Windows 7 for 32-bit Systems Service Pack 1
• Microsoft / Microsoft .NET Framework 4.5.2Windows Server 2012 R2 (Server Core installation) – Windows Server 2012 R2 (Server Core installation)
• Microsoft / Microsoft .NET Framework 4.5.2Windows RT 8.1 – Windows RT 8.1
• Microsoft / Microsoft .NET Framework 4.5.2Windows 8.1 for x64-based systems – Windows 8.1 for x64-based systems
• Microsoft / Microsoft .NET Framework 4.5.2Windows 8.1 for 32-bit systems – Windows 8.1 for 32-bit systems
• Microsoft / Microsoft .NET Framework 4.5.2Windows Server 2012 R2 – Windows Server 2012 R2
• Microsoft / Microsoft .NET Framework 4.5.2Windows Server 2012 (Server Core installation) – Windows Server 2012 (Server Core installation)
• Microsoft / Microsoft .NET Framework 4.5.2Windows Server 2012 – Windows Server 2012
• Microsoft / Microsoft .NET Framework 4.5.2Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) – Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
• Microsoft / Microsoft .NET Framework 4.5.2Windows Server 2008 R2 for x64-based Systems Service Pack 1 – Windows Server 2008 R2 for x64-based Systems Service Pack 1
• Microsoft / Microsoft .NET Framework 4.5.2Windows Server 2008 for x64-based Systems Service Pack 2 – Windows Server 2008 for x64-based Systems Service Pack 2
• Microsoft / Microsoft .NET Framework 4.5.2Windows Server 2008 for 32-bit Systems Service Pack 2 – Windows Server 2008 for 32-bit Systems Service Pack 2
• Microsoft / Microsoft .NET Framework 4.6Windows Server 2008 for 32-bit Systems Service Pack 2 – Windows Server 2008 for 32-bit Systems Service Pack 2
• Microsoft / Microsoft .NET Framework 4.6Windows Server 2008 for x64-based Systems Service Pack 2 – Windows Server 2008 for x64-based Systems Service Pack 2
• Microsoft / Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2Windows 10 Version 1607 for 32-bit Systems – Windows 10 Version 1607 for 32-bit Systems
• Microsoft / Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2Windows 7 for x64-based Systems Service Pack 1 – Windows 7 for x64-based Systems Service Pack 1
• Microsoft / Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2Windows 7 for 32-bit Systems Service Pack 1 – Windows 7 for 32-bit Systems Service Pack 1
• Microsoft / Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2Windows Server 2012 R2 (Server Core installation) – Windows Server 2012 R2 (Server Core installation)
• Microsoft / Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2Windows Server 2012 R2 – Windows Server 2012 R2
• Microsoft / Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2Windows Server 2012 (Server Core installation) – Windows Server 2012 (Server Core installation)
• Microsoft / Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2Windows Server 2012 – Windows Server 2012
• Microsoft / Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) – Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
• Microsoft / Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2Windows Server 2008 R2 for x64-based Systems Service Pack 1 – Windows Server 2008 R2 for x64-based Systems Service Pack 1
• Microsoft / Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2Windows RT 8.1 – Windows RT 8.1
• Microsoft / Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2Windows 8.1 for x64-based systems – Windows 8.1 for x64-based systems
• Microsoft / Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2Windows 8.1 for 32-bit systems – Windows 8.1 for 32-bit systems
• Microsoft / Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systemsunspecified – unspecified
• Microsoft / Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systemsunspecified – unspecified
• Microsoft / Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systemsunspecified – unspecified
• Microsoft / Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systemsunspecified – unspecified
• Microsoft / Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systemsunspecified – unspecified
• Microsoft / Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systemsunspecified – unspecified
• Microsoft / Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1unspecified – unspecified
• Microsoft / Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1unspecified – unspecified
• Microsoft / Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systemsunspecified – unspecified
• Microsoft / Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systemsunspecified – unspecified
• Microsoft / Microsoft .NET Framework 4.8 on Windows RT 8.1unspecified – unspecified
• Microsoft / Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1unspecified – unspecified
• Microsoft / Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)unspecified – unspecified
• Microsoft / Microsoft .NET Framework 4.8 on Windows Server 2012unspecified – unspecified
• Microsoft / Microsoft .NET Framework 4.8 on Windows Server 2012 R2unspecified – unspecified
• Microsoft / Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation)unspecified – unspecified
• Microsoft / Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation)unspecified – unspecified
• Microsoft / Microsoft .NET Framework 4.8 on Windows Server 2016unspecified – unspecified
• Microsoft / Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation)unspecified – unspecified
• Microsoft / Microsoft .NET Framework 4.8 on Windows Server, version 1803 (Server Core Installation)unspecified – unspecified

Exploits & PoCs

• nucleiMicrosoft .NET Framework - Remote Code Executionby pszyszkowski

References

• VENDOR_ADVISORYhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0646
• EXPLOIThttp://packetstormsecurity.com/files/156930/SharePoint-Workflows-XOML-Injection.html