CVE-2001-0993 Denial of service in n/a

Low 2.1 Published 9 Mar 2002 Updated 8 Aug 2024

Local users can cause a kernel panic or trap in NetBSD by sending a malformed message header with an excessively large control length.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2001-0993?

CVE-2001-0993 is a low-severity denial of service vulnerability in Netbsd Netbsd, published on 9 Mar 2002. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

sendmsg function in NetBSD 1.3 through 1.5 allows local users to cause a denial of service (kernel trap or panic) via a msghdr structure with a large msg_controllen length.

Which versions are affected by CVE-2001-0993?

It affects 1 product.

Products include Netbsd Netbsd.

How do I fix CVE-2001-0993?

No fix has been published for CVE-2001-0993 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-2001-0993 being exploited?

There is no known exploitation of CVE-2001-0993 in the wild and no public exploit code.

All Netbsd Netbsd vulnerabilities

Sources

Also known as GHSA-q5x6-6wr4-r66h.