CVE-2005-2302 Denial of service in n/a

Low 2.1 Published 19 Jul 2005 Updated 7 Aug 2024

An attacker can cause a denial of service by triggering a blanking of DNS answers for authorized clients when recursion is restricted.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2005-2302?

CVE-2005-2302 is a low-severity denial of service vulnerability in n/a, published on 19 Jul 2005. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

PowerDNS before 2.9.18, when allowing recursion to a restricted range of IP addresses, does not properly handle questions from clients that are denied recursion, which could cause a "blank out" of answers to those clients that are allowed to use recursion.

Which versions are affected by CVE-2005-2302?

It affects 1 product.

Products include Powerdns Powerdns.

How do I fix CVE-2005-2302?

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-2005-2302 being exploited?

There is no known exploitation of CVE-2005-2302 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2005-2302, GHSA-6w24-r92j-wj7q.