CVE-2019-0713 Windows Hyper-V Denial of Service Vulnerability

Medium 6.8 Published Updated

A privileged user in a guest VM can crash the host server by running a specially crafted application due to improper input validation in Hyper-V.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-0713?

CVE-2019-0713 is a medium-severity denial of service vulnerability in Microsoft Windows 10, published on 12 Jun 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A denial of service vulnerability exists when Microsoft Hyper-V on a host server fails to properly validate input from a privileged user on a guest operating system. To exploit the vulnerability, an attacker who already has a privileged account on a guest operating system, running as a virtual machine, could run a specially crafted application that causes a host machine to crash. To exploit the vulnerability, an attacker who already has a privileged account on a guest operating system, running as a virtual machine, could run a specially crafted application. The security update addresses the vulnerability by resolving a number of conditions where Hyper-V would fail to prevent a guest operating system from sending malicious requests.

Weakness: CWE-20

Which versions are affected by CVE-2019-0713?

It affects 8 products.

Products include Microsoft Windows 10, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Rt 8.1, Microsoft Windows Server 2008, Microsoft Windows Server 2012 and 2 more.

How do I fix CVE-2019-0713?

No fix has been published for CVE-2019-0713 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2019-0713 being exploited?

There is no known exploitation of CVE-2019-0713 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-mq82-wrpj-vp7g.

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