CVE-2011-0414 Denial of service in n/a
Remote attackers can cause a denial of service in ISC BIND authoritative servers by sending queries during IXFR transfers or DDNS updates.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-0414?
CVE-2011-0414 is a high-severity denial of service vulnerability in Isc Bind, published on 23 Feb 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ISC BIND 9.7.1 through 9.7.2-P3, when configured as an authoritative server, allows remote attackers to cause a denial of service (deadlock and daemon hang) by sending a query at the time of (1) an IXFR transfer or (2) a DDNS update.
Weakness: CWE-399
Which versions are affected by CVE-2011-0414?
It affects 1 product.
Products include Isc Bind.
How do I fix CVE-2011-0414?
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-2011-0414 being exploited?
There is no known exploitation of CVE-2011-0414 in the wild and no public exploit code.
Other vulnerabilities in Isc Bind
Sources
Also known as DEBIAN-CVE-2011-0414, DSA-2208-1, GHSA-x6p7-4923-38gh.