CVE-2008-4194 Denial of service in n/a

Medium 5.0 Published 24 Sep 2008 Updated 7 Aug 2024

Remote attackers can crash the pdnsd DNS proxy daemon by sending a specially crafted long DNS reply with many answer entries.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2008-4194?

CVE-2008-4194 is a medium-severity denial of service vulnerability in n/a, published on 24 Sep 2008. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The p_exec_query function in src/dns_query.c in pdnsd before 1.2.7-par allows remote attackers to cause a denial of service (daemon crash) via a long DNS reply with many entries in the answer section, related to a "dangling pointer bug."

Weakness: CWE-399

Which versions are affected by CVE-2008-4194?

It affects 1 product.

Products include Pdnsd Pdnsd.

How do I fix CVE-2008-4194?

No fix has been published for CVE-2008-4194 yet. Limit exposure of the affected software until one is available.

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-2008-4194 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2008-4194 exists.

Public exploit code: 3 Exploit-DB entries.

Sources

Also known as GHSA-gwh9-rg87-g28p.