CVE-2022-34724 Windows DNS Server Denial of Service Vulnerability

High 7.5 Published Updated

Attackers can cause a denial of service in Windows DNS Server, requiring administrators to apply security patches.

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-2022-34724?

CVE-2022-34724 is a high-severity denial of service vulnerability in Microsoft Windows Server 2008, published on 13 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Windows DNS Server Denial of Service Vulnerability

Which versions are affected by CVE-2022-34724?

It affects 5 products.

Products include Microsoft Windows Server 2008, Microsoft Windows Server 2012, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2022.

How do I fix CVE-2022-34724?

No fix has been published for CVE-2022-34724 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-2022-34724 being exploited?

There is no known exploitation of CVE-2022-34724 in the wild and no public exploit code.

All Microsoft Windows Server 2008 vulnerabilities

Sources

Also known as GHSA-53c3-c4qm-j6hm.

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