CVE-2020-1147

CVE-2020-1147

CVSS 7.8 HIGHEPSS 94.2%● KEV

Em resumo

Uma falha no .NET Framework, SharePoint e Visual Studio permite que atacantes executem código malicioso remotamente enviando arquivos XML especialmente preparados. O software não valida adequadamente a origem do XML, permitindo execução de código nos sistemas afetados.

Detalhe técnico

Vulnerabilidade de execução remota de código desencadeada por validação insuficiente de entrada XML no .NET Framework, SharePoint e Visual Studio. Atacantes podem explorar enviando marcação XML maliciosa que contorna verificações de origem, resultando em execução de código arbitrário com privilégios da aplicação afetada.

Resumo gerado e traduzido por IA a partir da descrição oficial.

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, aka '.NET Framework, SharePoint Server, and Visual Studio Remote Code Execution Vulnerability'.

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Produtos afetados

Microsoft · Microsoft .NET Framework 2.0 Microsoft · Microsoft .NET Framework 3.0 Microsoft · Microsoft .NET Framework 3.5 Microsoft · Microsoft .NET Framework 3.5.1 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 Systems 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 Systems Microsoft · Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 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)Microsoft · Microsoft .NET Framework 3.5 AND 4.6/4.6.1/4.6.2 on Windows 10 for 32-bit Systems Microsoft · Microsoft .NET Framework 3.5 AND 4.6/4.6.1/4.6.2 on Windows 10 for x64-based Systems Microsoft · Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for 32-bit Systems Microsoft · Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for ARM64-based Systems Microsoft · Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for x64-based Systems Microsoft · Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for 32-bit Systems Microsoft · Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for ARM64-based Systems Microsoft · Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for x64-based Systems Microsoft · Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems Microsoft · Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for ARM64-based Systems Microsoft · Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems Microsoft · Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 Microsoft · Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation)Microsoft · Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server, version 1803 (Server Core Installation)Microsoft · Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems Microsoft · Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems Microsoft · Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for 32-bit Systems Microsoft · Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for ARM64-based Systems Microsoft · Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for x64-based Systems Microsoft · Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for 32-bit Systems Microsoft · Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for ARM64-based Systems Microsoft · Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for x64-based Systems Microsoft · Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 2004 for 32-bit Systems Microsoft · Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 2004 for ARM64-based Systems Microsoft · Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 2004 for x64-based Systems Microsoft · Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 Microsoft · Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation)Microsoft · Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1903 (Server Core installation)Microsoft · Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1909 (Server Core installation)Microsoft · Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 2004 (Server Core installation)Microsoft · Microsoft .NET Framework 4.5.2 Microsoft · Microsoft .NET Framework 4.6 Microsoft · Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 Microsoft · Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems Microsoft · Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems Microsoft · Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systems Microsoft · Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systems Microsoft · Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systems Microsoft · Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systems Microsoft · Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1 Microsoft · Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1 Microsoft · Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems Microsoft · Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems Microsoft · Microsoft .NET Framework 4.8 on Windows RT 8.1 Microsoft · Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 Microsoft · Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)Microsoft · Microsoft .NET Framework 4.8 on Windows Server 2012 Microsoft · Microsoft .NET Framework 4.8 on Windows Server 2012 R2 Microsoft · Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation)Microsoft · Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation)Microsoft · Microsoft .NET Framework 4.8 on Windows Server 2016 Microsoft · Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation)Microsoft · Microsoft .NET Framework 4.8 on Windows Server, version 1803 (Server Core Installation)Microsoft · Microsoft SharePoint Enterprise Server Microsoft · Microsoft SharePoint Server Microsoft · Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)Microsoft · Microsoft Visual Studio 2019 Microsoft · Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)Microsoft · Microsoft Visual Studio 2019 version 16.6 (includes 16.0 - 16.5)Microsoft · .NET Core

PoCs públicas encontradas — 5

cve_referencepacketstormsecurity.com/files/158694/SharePoint-DataSet-DataTable-Deserialization.htmlnão verificado cve_referencepacketstormsecurity.com/files/158876/Microsoft-SharePoint-Server-2019-Remote-Code-Execution.htmlnão verificado cve_referencepacketstormsecurity.com/files/163644/Microsoft-SharePoint-Server-2019-Remote-Code-Execution.htmlnão verificado exploitdbwww.exploit-db.com/exploits/48747não verificado exploitdbwww.exploit-db.com/exploits/50151não verificado

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Referências

http://packetstormsecurity.com/files/158694/SharePoint-DataSet-DataTable-Deserialization.html http://packetstormsecurity.com/files/158876/Microsoft-SharePoint-Server-2019-Remote-Code-Execution.html http://packetstormsecurity.com/files/163644/Microsoft-SharePoint-Server-2019-Remote-Code-Execution.html https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1147 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1147 https://www.exploitalert.com/view-details.html?id=35992