CVE-2016-2224 Denial of service in n/a
Remote DNS servers can cause a denial of service via infinite loop in uClibc-ng's DNS resolver, affecting systems using this C library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-2224?
CVE-2016-2224 is a high-severity denial of service vulnerability in n/a, published on 24 Mar 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The __decode_dotted function in libc/inet/resolv.c in uClibc-ng before 1.0.12 allows remote DNS servers to cause a denial of service (infinite loop) via vectors involving compressed items in a reply.
Weakness: CWE-400
Which versions are affected by CVE-2016-2224?
It affects 1 product.
Products include Uclibc-Ng Project Uclibc-Ng.
How do I fix CVE-2016-2224?
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-2016-2224 being exploited?
There is no known exploitation of CVE-2016-2224 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2016-2224, GHSA-f95j-r4jh-f3j8.