CVE-2018-8256
Vulnérabilité non évaluée dans Windows 7 (Microsoft)
CVSS 0.0 · Non évaluée
EPSS 22.6%
Microsoft•Windows 7•Versions : 1.2.2.0, Version 1809 for 32-bit Systems, Version 1607 for 32-bit Systems, Version 1803 for ARM64-based Systems, Version 1803 for x64-based Systems, x64-based Systems Service Pack 1, Version 1809 for x64-based Systems, Version 1703 for 32-bit Systems, 32-bit Systems Service Pack 1, x64-based systems, Version 1607 for x64-based Systems, Version 1709 for 32-bit Systems, Itanium-Based Systems Service Pack 1, 6.0, Windows RT 8.1, Version 1809 for ARM64-based Systems, version 1803 (Server Core Installation), Version 1803 for 32-bit Systems, 32-bit Systems, Version 1709 for x64-based Systems, (Server Core installation), Version 1703 for x64-based Systems, x64-based Systems, 6.1, version 1709 (Server Core Installation), 32-bit systems, Version 1709 for ARM64-based Systems, x64-based Systems Service Pack 1 (Server Core installation)
Description
A remote code execution vulnerability exists when PowerShell improperly handles specially crafted files, aka "Microsoft PowerShell Remote Code Execution Vulnerability." This affects Windows RT 8.1, PowerShell Core 6.0, Microsoft.PowerShell.Archive 1.2.2.0, Windows Server 2016, Windows Server 2012, Windows Server 2008 R2, Windows Server 2019, Windows 7, Windows Server 2012 R2, PowerShell Core 6.1, Windows 10 Servers, Windows 10, Windows 8.1.
Gravité et risque d'exploitation
CVE-2018-8256 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 22.64 %, ce qui la place devant 97.7 % des CVE référencées.
Que faire ?
- Vérifiez si Windows 7 (versions 1.2.2.0, Version 1809 for 32-bit Systems, Version 1607 for 32-bit Systems, Version 1803 for ARM64-based Systems, Version 1803 for x64-based Systems, x64-based Systems Service Pack 1, Version 1809 for x64-based Systems, Version 1703 for 32-bit Systems, 32-bit Systems Service Pack 1, x64-based systems, Version 1607 for x64-based Systems, Version 1709 for 32-bit Systems, Itanium-Based Systems Service Pack 1, 6.0, Windows RT 8.1, Version 1809 for ARM64-based Systems, version 1803 (Server Core Installation), Version 1803 for 32-bit Systems, 32-bit Systems, Version 1709 for x64-based Systems, (Server Core installation), Version 1703 for x64-based Systems, x64-based Systems, 6.1, version 1709 (Server Core Installation), 32-bit systems, Version 1709 for ARM64-based Systems, x64-based Systems Service Pack 1 (Server Core installation)) 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.