CVE-2024-4437 Etcd: incomplete fix for cve-2021-44716 in openstack platform
An incomplete fix for a known HTTP/2 vulnerability in the etcd package allows attackers to cause denial of service in Red Hat OpenStack Platform.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-4437?
CVE-2024-4437 is a high-severity denial of service vulnerability in Red Hat OpenStack Platform 16.1, published on 8 May 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The etcd package distributed with the Red Hat OpenStack platform has an incomplete fix for CVE-2021-44716. This issue occurs because the etcd package in the Red Hat OpenStack platform is using http://golang.org/x/net/http2 instead of the one provided by Red Hat Enterprise Linux versions, meaning it should be updated at compile time instead.
Weakness: CWE-400
Which versions are affected by CVE-2024-4437?
How do I fix CVE-2024-4437?
Apply the vendor's patch.
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-2024-4437 being exploited?
There is no known exploitation of CVE-2024-4437 in the wild and no public exploit code.
Sources
Also known as GHSA-qv84-5j9v-4hj7.