CVE-2014-3859 Denial of service in n/a
Remote attackers can cause a denial of service in ISC BIND by sending crafted EDNS packets, crashing the daemon.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2014-3859?
CVE-2014-3859 is a medium-severity denial of service vulnerability in Isc Bind, published on 13 Jun 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
libdns in ISC BIND 9.10.0 before P2 does not properly handle EDNS options, which allows remote attackers to cause a denial of service (REQUIRE assertion failure and daemon exit) via a crafted packet, as demonstrated by an attack against named, dig, or delv.
Weakness: CWE-20
Which versions are affected by CVE-2014-3859?
It affects 1 product.
Products include Isc Bind.
How do I fix CVE-2014-3859?
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-2014-3859 being exploited?
There is no known exploitation of CVE-2014-3859 in the wild and no public exploit code.
Other vulnerabilities in Isc Bind
Sources
Also known as GHSA-fhwv-x286-vrwh.