CVE-2005-0038 Denial of service in n/a

Medium 5.0 Published 28 Apr 2006 Updated 7 Aug 2024

Remote attackers can cause a denial of service in PowerDNS by sending a malformed compressed DNS packet that triggers an infinite loop.

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

What is CVE-2005-0038?

CVE-2005-0038 is a medium-severity denial of service vulnerability in n/a, published on 28 Apr 2006. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The DNS implementation of PowerDNS 2.9.16 and earlier allows remote attackers to cause a denial of service via a compressed DNS packet with a label length byte with an incorrect offset, which could trigger an infinite loop.

Which versions are affected by CVE-2005-0038?

It affects 1 product.

Products include Powerdns Powerdns.

How do I fix CVE-2005-0038?

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-2005-0038 being exploited?

There is no known exploitation of CVE-2005-0038 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2005-0038, GHSA-mh6v-rgfm-g694.