CVE-2019-0820

Vulnérabilité non évaluée dans Microsoft .NET Framework 4.5.2 (Microsoft)

CVSS 0.0 · Non évaluée
EPSS 5.7%
Microsoft•Microsoft .NET Framework 4.5.2•Versions : Windows Server, version 1803 (Server Core Installation), Windows 7 for 32-bit Systems Service Pack 1, Windows Server 2008 for x64-based Systems Service Pack 2, Windows 10 for 32-bit Systems, Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2, Windows Server 2016, Windows 10 Version 1709 for ARM64-based Systems, Windows Server 2012 R2 (Server Core installation), 1.1, Windows 10 Version 1809 for 32-bit Systems, Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1, Windows Server 2019, Windows 10 Version 1703 for x64-based Systems, Windows 8.1 for 32-bit systems, Windows 10 for x64-based Systems, Windows 8.1 for x64-based systems, Windows Server 2016 (Server Core installation), Windows 10 Version 1709 for x64-based Systems, Windows Server 2008 R2 for x64-based Systems Service Pack 1, Windows Server 2012 R2, Windows 10 Version 1803 for x64-based Systems, Windows Server 2012 (Server Core installation), 2.1, Windows 10 Version 1703 for 32-bit Systems, Windows Server 2012, Windows RT 8.1, Windows 10 Version 1803 for ARM64-based Systems, Windows Server 2008 for 32-bit Systems Service Pack 2, Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation), Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows 10 Version 1803 for 32-bit Systems, 2.2, Windows 10 Version 1809 for x64-based Systems, Windows 7 for x64-based Systems Service Pack 1, Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2, Windows 10 Version 1709 for 32-bit Systems, Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2, Windows Server 2019 (Server Core installation), 1

Description

A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings, aka '.NET Framework and .NET Core Denial of Service Vulnerability'. This CVE ID is unique from CVE-2019-0980, CVE-2019-0981.

Gravité et risque d'exploitation

CVE-2019-0820 obtient un score CVSS de 0.0/10, soit une gravité non évaluée. Selon le modèle EPSS, la probabilité qu'elle soit exploitée dans les 30 prochains jours est de 5.72 %, ce qui la place devant 93.0 % des CVE référencées.

Que faire ?

  • Vérifiez si Microsoft .NET Framework 4.5.2 (versions Windows Server, version 1803 (Server Core Installation), Windows 7 for 32-bit Systems Service Pack 1, Windows Server 2008 for x64-based Systems Service Pack 2, Windows 10 for 32-bit Systems, Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2, Windows Server 2016, Windows 10 Version 1709 for ARM64-based Systems, Windows Server 2012 R2 (Server Core installation), 1.1, Windows 10 Version 1809 for 32-bit Systems, Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1, Windows Server 2019, Windows 10 Version 1703 for x64-based Systems, Windows 8.1 for 32-bit systems, Windows 10 for x64-based Systems, Windows 8.1 for x64-based systems, Windows Server 2016 (Server Core installation), Windows 10 Version 1709 for x64-based Systems, Windows Server 2008 R2 for x64-based Systems Service Pack 1, Windows Server 2012 R2, Windows 10 Version 1803 for x64-based Systems, Windows Server 2012 (Server Core installation), 2.1, Windows 10 Version 1703 for 32-bit Systems, Windows Server 2012, Windows RT 8.1, Windows 10 Version 1803 for ARM64-based Systems, Windows Server 2008 for 32-bit Systems Service Pack 2, Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation), Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows 10 Version 1803 for 32-bit Systems, 2.2, Windows 10 Version 1809 for x64-based Systems, Windows 7 for x64-based Systems Service Pack 1, Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2, Windows 10 Version 1709 for 32-bit Systems, Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2, Windows Server 2019 (Server Core installation), 1) est présent sur votre parc.
  • Appliquez le correctif ou la version corrigée indiqués dans les références de l'éditeur.
  • À défaut de correctif, limitez l'exposition (filtrage réseau, désactivation du composant).
  • Automatisez la détection : les agents CVE Heimdall (gratuits, open source) corrèlent l'inventaire de vos serveurs avec la base CVE.

Références