CVE-2020-24697 Denial of service in n/a
Remote unauthenticated attackers can cause denial of service in PowerDNS Authoritative via crafted GSS-TSIG queries when experimental features are enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-24697?
CVE-2020-24697 is a high-severity denial of service vulnerability in n/a, published on 2 Oct 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss-tsig is used. A remote, unauthenticated attacker can cause a denial of service by sending crafted queries with a GSS-TSIG signature.
Which versions are affected by CVE-2020-24697?
It affects 1 product.
Products include Powerdns Authoritative.
How do I fix CVE-2020-24697?
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-2020-24697 being exploited?
There is no known exploitation of CVE-2020-24697 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2020-24697, GHSA-p2mr-x5wg-48vh.