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hyperv_local_dos_poc — CVE-2020-0890 | Windows Hyper-V Denial of Service Vulnerability proof-of-concept code | Kitploit
Tools/GitHubGitHub/gerhart01/hyperv_local_dos_poc
Vulnerability AnalysisExploitationSecurity VirtualizationPenetration TestingHardware Security
GitHubgerhart01/hyperv_local_dos_poc

hyperv_local_dos_poc

CVE-2020-0890 | Windows Hyper-V Denial of Service Vulnerability proof-of-concept code

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37105 years agoReviewed by Kitploit

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Hyper-V DoS PoC. This is code files of Visual Studio 2019 driver project.

  1. Compile driver.
  2. Enable nested virtualization for guest OS using command:
root@kitploit:~
Set-VMProcessor -VMName <VMName> -ExposeVirtualizationExtensions $true
  1. Run driver inside guest OS. Host OS will be rebooted or generate BSOD with HYPERVISOR_ERROR code.

Bug is present in Hyper-V from Windows Server 2019, Windows 10 with latest patches and Windows 10 insider preview, build 10.0.20206.1000 and early.

Mitigations: Simple disable nested virtualization on untrusted VM. Execute command on host server:

root@kitploit:~
Set-VMProcessor -VMName <VMName> -ExposeVirtualizationExtensions $false
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