CVE-2006-5420 Denial of service in n/a

Medium 5.0 Published 20 Oct 2006 Updated 7 Aug 2024

Remote attackers can crash Kerio WinRoute Firewall by sending malformed DNS responses, causing a denial of service.

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-2006-5420?

CVE-2006-5420 is a medium-severity denial of service vulnerability in n/a, published on 20 Oct 2006. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Kerio WinRoute Firewall 6.2.2 and earlier allows remote attackers to cause a denial of service (crash) via malformed DNS responses.

Which versions are affected by CVE-2006-5420?

It affects 1 product.

Products include Kerio Winroute Firewall.

How do I fix CVE-2006-5420?

No fix has been published for CVE-2006-5420 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-2006-5420 being exploited?

There is no known exploitation of CVE-2006-5420 in the wild and no public exploit code.

Sources

Also known as GHSA-c5qp-r7ch-w3m8.