CVE-2018-8206 Denial of service in Windows 10

High 7.5 Published Updated

An attacker can cause a denial of service in Windows FTP Server by sending specially crafted FTP connections.

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

What is CVE-2018-8206?

CVE-2018-8206 is a high-severity denial of service vulnerability in Microsoft Windows 10, published on 11 Jul 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A denial of service vulnerability exists when Windows improperly handles File Transfer Protocol (FTP) connections, aka "Windows FTP Server Denial of Service Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

Which versions are affected by CVE-2018-8206?

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-2018-8206?

No fix has been published for CVE-2018-8206 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-2018-8206 being exploited?

There is no known exploitation of CVE-2018-8206 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-xvvr-j3h8-fxhr.

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