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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2020-0836

Windows DNS Denial of Service Vulnerability

Description

<p>A denial of service vulnerability exists in Windows DNS when it fails to properly handle queries. An attacker who successfully exploited this vulnerability could cause the DNS service to become nonresponsive.</p> <p>To exploit the vulnerability, an authenticated attacker could send malicious DNS queries to a target, resulting in a denial of service.</p> <p>The update addresses the vulnerability by correcting how Windows DNS processes queries.</p>

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Microsoft Windows Server version 2004

  • 10.0.0 to < publicationaffected

Microsoft Windows Server 2019

  • 10.0.0 to < publicationaffected

Microsoft Windows Server 2019 (Server Core installation)

  • 10.0.0 to < publicationaffected

Microsoft Windows Server, version 1909 (Server Core installation)

  • 10.0.0 to < publicationaffected

Microsoft Windows Server, version 1903 (Server Core installation)

  • 10.0.0 to < publicationaffected

Microsoft Windows Server 2016

  • 10.0.0 to < publicationaffected

Microsoft Windows Server 2016 (Server Core installation)

  • 10.0.0 to < publicationaffected

Microsoft Windows Server 2008 Service Pack 2

  • 6.0.0 to < publicationaffected

Microsoft Windows Server 2008 Service Pack 2 (Server Core installation)

  • 6.0.0 to < publicationaffected

Microsoft Windows Server 2008 Service Pack 2

  • 6.0.0 to < publicationaffected

Microsoft Windows Server 2008 R2 Service Pack 1

  • 6.1.0 to < publicationaffected

Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation)

  • 6.0.0 to < publicationaffected

Microsoft Windows Server 2012

  • 6.2.0 to < publicationaffected

Microsoft Windows Server 2012 (Server Core installation)

  • 6.2.0 to < publicationaffected

Microsoft Windows Server 2012 R2

  • 6.3.0 to < publicationaffected

Microsoft Windows Server 2012 R2 (Server Core installation)

  • 6.3.0 to < publicationaffected

References