CVE-2022-0635 Denial of service in BIND
A remote attacker can cause the BIND DNS server to crash by sending specific queries, resulting in a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-0635?
CVE-2022-0635 is a high-severity denial of service vulnerability in Isc Bind, published on 23 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Versions affected: BIND 9.18.0 When a vulnerable version of named receives a series of specific queries, the named process will eventually terminate due to a failed assertion check.
Weakness: CWE-617
Which versions are affected by CVE-2022-0635?
It affects 9 products.
Products include Isc Bind, Netapp H300e Firmware, Netapp H300s Firmware, Netapp H410c Firmware, Netapp H410s Firmware, Netapp H500e Firmware and 3 more.
How do I fix CVE-2022-0635?
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-2022-0635 being exploited?
There is no known exploitation of CVE-2022-0635 in the wild and no public exploit code.
Other vulnerabilities in Isc Bind
Sources
Also known as DEBIAN-CVE-2022-0635, GHSA-q778-7mc2-5qmc, UBUNTU-CVE-2022-0635.