High [CVE-2020-0909] Windows Hyper-V Denial of Service Vulnerability
This high-severity Microsoft Server advisory covers CVE-2020-0909 affecting Windows Server 2008 R2 Service Pack 1 (Server Core installation), Windows Server 2008 Service Pack 2 (Server Core installation), Windows Server 2012 (Server Core installation).
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Summary
A denial of service vulnerability exists when Hyper-V on a Windows Server fails to properly handle specially crafted network packets. To exploit the vulnerability, an attacker would send specially crafted network packets to the Hyper-V Server.
The security update addresses the vulnerability by resolving the conditions where Hyper-V would fail to properly handle these network packets.
Affected products named by the advisory: Windows Server 2008 R2 Service Pack 1; Windows Server 2008 R2 Service Pack 1 (Server Core installation); Windows Server 2008 Service Pack 2; Windows Server 2008 Service Pack 2 (Server Core installation); and 11 more.
Affected products named by the advisory: Windows Server 2012 (Server Core installation); Windows Server 2012 R2 (Server Core installation); Windows Server 2016 (Server Core installation); Windows Server 2019 (Server Core installation); and 3 more.
- Windows 10 Version 1507 10.0.10240.0 before publication
- Windows 10 Version 1607 10.0.14393.0 before publication
- Windows 10 Version 1709 10.0.0 before publication
- Windows 10 Version 1803 10.0.0 before publication
- Windows 10 Version 1809 10.0.17763.0 before publication
- Windows 10 Version 1903 for x64-based Systems 10.0.0 before publication
- Windows 10 Version 1909 10.0.0 before publication
- Windows 7 Service Pack 1 6.1.0 before publication
- Windows 8.1 6.3.0 before publication
- Windows Server 2008 R2 Service Pack 1 6.1.7601.0 before publication
- Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 before publication
- Windows Server 2008 Service Pack 2 6.0.6003.0 before publication
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
- publication
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
Mitigation checklist
- The security update addresses the vulnerability by resolving the conditions where Hyper-V would fail to properly handle these network packets.
Official advisory · high-confidence parse· fetched 1 hour ago·verify at source
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