CVE-2020-0890 PoC — Microsoft Hyper-V 安全漏洞

Description

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

介绍

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:

```
Set-VMProcessor -VMName <VMName> -ExposeVirtualizationExtensions $true
```
3. 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:

```
Set-VMProcessor -VMName <VMName> -ExposeVirtualizationExtensions $false
```

文件快照

备注