CVE-2010-3762 Denial of service in n/a
Remote attackers can crash the DNS server daemon via crafted queries when DNSSEC validation is enabled with multiple trust anchors.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2010-3762?
CVE-2010-3762 is a medium-severity denial of service vulnerability in Isc Bind, published on 5 Oct 2010. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ISC BIND before 9.7.2-P2, when DNSSEC validation is enabled, does not properly handle certain bad signatures if multiple trust anchors exist for a single zone, which allows remote attackers to cause a denial of service (daemon crash) via a DNS query.
Weakness: CWE-20
Which versions are affected by CVE-2010-3762?
It affects 1 product.
Products include Isc Bind.
How do I fix CVE-2010-3762?
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-2010-3762 being exploited?
There is no known exploitation of CVE-2010-3762 in the wild and no public exploit code.
Other vulnerabilities in Isc Bind
Sources
Also known as DEBIAN-CVE-2010-3762, GHSA-hv8v-8gq8-6q29.