CVE-2020-8916 Memory leak in wpanctl can lead to DoS
An attacker can cause a denial of service via memory leak in wpantund when wpanctl interfaces directly with the control driver in debug environments.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-8916?
CVE-2020-8916 is a medium-severity denial of service vulnerability in Google LLC wpantund, published on 7 Jul 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A memory leak in Openthread's wpantund versions up to commit 0e5d1601febb869f583e944785e5685c6c747be7, when used in an environment where wpanctl is directly interfacing with the control driver (eg: debug environments) can allow an attacker to crash the service (DoS). We recommend updating, or to restrict access in your debug environments.
Weakness: CWE-401
Which versions are affected by CVE-2020-8916?
It affects 1 product.
Products include Openthread Wpantund.
How do I fix CVE-2020-8916?
No fix has been published for CVE-2020-8916 yet. Limit exposure of the affected software until one is available.
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-2020-8916 being exploited?
There is no known exploitation of CVE-2020-8916 in the wild and no public exploit code.
Other vulnerabilities in Google LLC wpantund
Sources
Also known as GHSA-9wq6-g8c9-8c8w.