CVE-2022-0667 Assertion failure on delayed DS lookup
An attacker can cause the BIND DNS server to crash via an assertion failure during delayed DS lookup, resulting in 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-2022-0667?
CVE-2022-0667 is a high-severity denial of service vulnerability in Isc Bind, published on 22 Mar 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
When the vulnerability is triggered the BIND process will exit. BIND 9.18.0
Weakness: CWE-617
Which versions are affected by CVE-2022-0667?
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-2022-0667?
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-2022-0667 being exploited?
There is no known exploitation of CVE-2022-0667 in the wild and no public exploit code.
Other vulnerabilities in Isc Bind
Sources
Also known as DEBIAN-CVE-2022-0667, GHSA-mmmq-7jwv-j64j, UBUNTU-CVE-2022-0667.