CVE-2023-43771 Denial of service in n/a

Medium 5.5 Published Updated

Crafted packets on the control port can crash the nqptp program, causing a denial of service for time synchronization services.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2023-43771?

CVE-2023-43771 is a medium-severity denial of service vulnerability in n/a, published on 22 Sep 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In nqptp-message-handlers.c in nqptp before 1.2.3, crafted packets received on the control port could crash the program.

Weakness: CWE-400

Which versions are affected by CVE-2023-43771?

It affects 1 product.

Linux distribution packages (1)
nqptp openSUSE:TumbleweedAll versions1.2.4-1.1

Products include Mikebrady Not Quite Ptp.

How do I fix CVE-2023-43771?

Upgrade to a fixed version.

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-2023-43771 being exploited?

There is no known exploitation of CVE-2023-43771 in the wild and no public exploit code.

Sources

Also known as GHSA-gm5r-p3x6-43h6, openSUSE-SU-2024:14316-1.

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