CVE-2005-4348 Denial of service in n/a

High 7.8 Published 21 Dec 2005 Updated 7 Aug 2024

Remote attackers can crash fetchmail by sending headerless messages when multidrop mode is enabled, requiring an upgrade to fix.

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

What is CVE-2005-4348?

CVE-2005-4348 is a high-severity denial of service vulnerability in n/a, published on 21 Dec 2005. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

fetchmail before 6.3.1 and before 6.2.5.5, when configured for multidrop mode, allows remote attackers to cause a denial of service (application crash) by sending messages without headers from upstream mail servers.

Weakness: CWE-399

Which versions are affected by CVE-2005-4348?

It affects 1 product.

Products include Fetchmail Fetchmail.

How do I fix CVE-2005-4348?

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-2005-4348 being exploited?

There is no known exploitation of CVE-2005-4348 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2005-4348, DSA-939-1, GHSA-5g7c-7whj-r862.