CVE-2024-25590 Crafted responses can lead to a denial of service due to cache inefficiencies in the Recursor
An attacker can cause a denial of service in PowerDNS Recursor by publishing crafted zone records that exploit cache inefficiencies.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-25590?
CVE-2024-25590 is a high-severity denial of service vulnerability in PowerDNS Recursor, published on 3 Oct 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An attacker can publish a zone containing specific Resource Record Sets.
Repeatedly processing and caching results for these sets can lead to a
denial of service.
Weakness: CWE-20
Which versions are affected by CVE-2024-25590?
Linux distribution packages (1)
pdns-recursor openSUSE:Tumbleweed | All versions | 5.1.2-1.1 |
How do I fix CVE-2024-25590?
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-2024-25590 being exploited?
There is no known exploitation of CVE-2024-25590 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2024-25590, DSA-5852-1, GHSA-pvmx-j29h-323g, UBUNTU-CVE-2024-25590, openSUSE-SU-2024:14462-1.