CVE-2015-8373 Denial of service in n/a

Medium 6.8 Published 22 Dec 2015 Updated 6 Aug 2024

Remote attackers can crash the Kea DHCP server via malformed packets when specific debugging settings are enabled.

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-2015-8373?

CVE-2015-8373 is a medium-severity denial of service vulnerability in n/a, published on 22 Dec 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The kea-dhcp4 and kea-dhcp6 servers 0.9.2 and 1.0.0-beta in ISC Kea, when certain debugging settings are used, allow remote attackers to cause a denial of service (daemon crash) via a malformed packet.

Weakness: CWE-20

Which versions are affected by CVE-2015-8373?

It affects 1 product.

Products include Isc Kea.

How do I fix CVE-2015-8373?

No fix has been published for CVE-2015-8373 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-2015-8373 being exploited?

There is no known exploitation of CVE-2015-8373 in the wild and no public exploit code.

Sources

Also known as GHSA-mc48-v6m5-6qrr.