CVE-2016-9312 Denial of service in n/a

High 7.5 Published 13 Jan 2017 Updated 6 Aug 2024

Remote attackers can cause a denial of service in the NTP daemon on Windows by sending large UDP packets.

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-2016-9312?

CVE-2016-9312 is a high-severity denial of service vulnerability in Ntp Ntp, published on 13 Jan 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

ntpd in NTP before 4.2.8p9, when running on Windows, allows remote attackers to cause a denial of service via a large UDP packet.

Weakness: CWE-399

Which versions are affected by CVE-2016-9312?

It affects 1 product.

Products include Ntp Ntp.

How do I fix CVE-2016-9312?

No fix has been published for CVE-2016-9312 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-2016-9312 being exploited?

There is no known exploitation of CVE-2016-9312 in the wild and no public exploit code.

All Ntp Ntp vulnerabilities

Sources

Also known as GHSA-qcqx-qrc2-36hm.