CVE-2016-9036 Denial of service in Msgpuck library
A specially crafted packet can cause the mp_check function to incorrectly return success, leading to a denial of service in the Msgpuck 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-2016-9036?
CVE-2016-9036 is a high-severity denial of service vulnerability in Tarantool Msgpuck library, published on 23 Dec 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An exploitable incorrect return value vulnerability exists in the mp_check function of Tarantool's Msgpuck library 1.0.3. A specially crafted packet can cause the mp_check function to incorrectly return success when trying to check if decoding a map16 packet will read outside the bounds of a buffer, resulting in a denial of service vulnerability.
Weakness: CWE-125
Which versions are affected by CVE-2016-9036?
It affects 1 product.
Products include Tarantool Msgpuck.
How do I fix CVE-2016-9036?
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-2016-9036 being exploited?
There is no known exploitation of CVE-2016-9036 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2016-9036, GHSA-f22q-j7p8-x9pp, UBUNTU-CVE-2016-9036.