CVE-2016-2088 Denial of service in n/a
Remote attackers can cause a denial of service in ISC BIND by sending malformed packets when DNS cookies are enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-2088?
CVE-2016-2088 is a medium-severity denial of service vulnerability in Isc Bind, published on 9 Mar 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
resolver.c in named in ISC BIND 9.10.x before 9.10.3-P4, when DNS cookies are enabled, allows remote attackers to cause a denial of service (INSIST assertion failure and daemon exit) via a malformed packet with more than one cookie option.
Weakness: CWE-20
Which versions are affected by CVE-2016-2088?
It affects 1 product.
Products include Isc Bind.
How do I fix CVE-2016-2088?
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-2016-2088 being exploited?
There is no known exploitation of CVE-2016-2088 in the wild and no public exploit code.
Other vulnerabilities in Isc Bind
Sources
Also known as GHSA-8f3h-84p6-655j.