CVE-2017-0191 Denial of service in Windows

Medium 5.8 Published Updated

An attacker can cause a Windows system to stop responding by exploiting improper memory object handling.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2017-0191?

CVE-2017-0191 is a medium-severity denial of service vulnerability in Microsoft Windows 10, published on 12 Apr 2017. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A denial of service vulnerability exists in the way that Windows 7, Windows 8.1, Windows 10, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, and Windows Server 2016 handles objects in memory. An attacker who successfully exploited the vulnerability could cause a target system to stop responding, aka "Windows Denial of Service Vulnerability."

Which versions are affected by CVE-2017-0191?

It affects 7 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 1 more.

How do I fix CVE-2017-0191?

No fix has been published for CVE-2017-0191 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-2017-0191 being exploited?

There is no known exploitation of CVE-2017-0191 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-jrcj-g9x9-2xh9.

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