CVE-2022-3080 BIND 9 resolvers configured to answer from stale cache with zero stale-answer-client-timeout may terminate unexpectedly

What is CVE-2022-3080?

CVE-2022-3080 is a high-severity denial of service vulnerability in Fedoraproject Fedora, published on 21 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

By sending specific queries to the resolver, an attacker can cause named to crash.

Weakness: CWE-613

Which versions are affected by CVE-2022-3080?

It affects 2 products.

Products include Fedoraproject Fedora, Isc Bind.

How do I fix CVE-2022-3080?

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-2022-3080 being exploited?

There is no known exploitation of CVE-2022-3080 in the wild and no public exploit code.

Other vulnerabilities in Fedoraproject Fedora

• CVE-2024-4577 PHP-CGI OS Command Injection Exploited Critical 9.8
• CVE-2021-39226 Grafana Authentication Bypass Exploited Critical 9.8
• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2022-3080, AZL-11000, DEBIAN-CVE-2022-3080, GHSA-7mrh-jrcg-wc76, UBUNTU-CVE-2022-3080.