CVE-2004-0002 Denial of service in n/a

Critical 10.0 Published 3 Feb 2004 Updated 8 Aug 2024

Remote attackers can cause denial of service via resource exhaustion in the TCP MSS functionality by sending crafted packets.

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-2004-0002?

CVE-2004-0002 is a critical denial of service vulnerability in Freebsd Freebsd, published on 3 Feb 2004. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The TCP MSS (maximum segment size) functionality in netinet allows remote attackers to cause a denial of service (resource exhaustion) via (1) a low MTU, which causes a large number of small packets to be produced, or (2) via a large number of packets with a small TCP payload, which cause a large number of calls to the resource-intensive sowakeup function.

Which versions are affected by CVE-2004-0002?

It affects 1 product.

Products include Freebsd Freebsd.

How do I fix CVE-2004-0002?

No fix has been published for CVE-2004-0002 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-2004-0002 being exploited?

There is no known exploitation of CVE-2004-0002 in the wild and no public exploit code.

All Freebsd Freebsd vulnerabilities

Sources

Also known as GHSA-w58r-2p42-8hcv.