CVE-2002-0794 Denial of service in n/a
Remote attackers can cause a denial of service in FreeBSD by filling the incomplete listen queue via excessive connection attempts.
- 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-2002-0794?
CVE-2002-0794 is a medium-severity denial of service vulnerability in Freebsd Freebsd, published on 2 Apr 2003. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The accept_filter mechanism in FreeBSD 4 through 4.5 does not properly remove entries from the incomplete listen queue when adding a syncache, which allows remote attackers to cause a denial of service (network service availability) via a large number of connection attempts, which fills the queue.
Which versions are affected by CVE-2002-0794?
It affects 1 product.
Products include Freebsd Freebsd.
How do I fix CVE-2002-0794?
No fix has been published for CVE-2002-0794 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-2002-0794 being exploited?
There is no known exploitation of CVE-2002-0794 in the wild and no public exploit code.
Other vulnerabilities in Freebsd Freebsd
Sources
Also known as GHSA-xw45-7j42-7mx4.