CVE-2002-1220 Denial of service in n/a
Remote attackers can crash BIND DNS servers by sending crafted requests with large UDP payload sizes, causing service termination.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2002-1220?
CVE-2002-1220 is a medium-severity denial of service vulnerability in Freebsd Freebsd, published on 1 Sep 2004. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
BIND 8.3.x through 8.3.3 allows remote attackers to cause a denial of service (termination due to assertion failure) via a request for a subdomain that does not exist, with an OPT resource record with a large UDP payload size.
Which versions are affected by CVE-2002-1220?
It affects 3 products.
Products include Freebsd Freebsd, Isc Bind, Openbsd Openbsd.
How do I fix CVE-2002-1220?
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-2002-1220 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2002-1220 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Freebsd Freebsd
Sources
Also known as GHSA-cqrp-292w-8w52.