CVE-2018-1040 Denial of service in Windows 10

Medium 5.3 Published Updated

Attackers can cause a denial of service in Windows by exploiting a flaw in the Code Integrity Module's hashing process.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2018-1040?

CVE-2018-1040 is a medium-severity denial of service vulnerability in Microsoft Windows 10, published on 14 Jun 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A denial of service vulnerability exists in the way that the Windows Code Integrity Module performs hashing, aka "Windows Code Integrity Module 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-2018-1040?

It affects 6 products.

Products include Microsoft Windows 10, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Server 2008, Microsoft Windows Server 2012, Microsoft Windows Server 2016.

How do I fix CVE-2018-1040?

No fix has been published for CVE-2018-1040 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-2018-1040 being exploited?

There is no known exploitation of CVE-2018-1040 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-8pmj-523f-x784.

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