CVE-2020-2024 Kata Containers - Guests can trick the kata-runtime into unmounting any mount point on the host
A malicious guest can trick the runtime into unmounting host directories, causing a host denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-2024?
CVE-2020-2024 is a medium-severity path traversal vulnerability in Kata Containers, published on 19 May 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An improper link resolution vulnerability affects Kata Containers versions prior to 1.11.0. Upon container teardown, a malicious guest can trick the kata-runtime into unmounting any mount point on the host and all mount points underneath it, potentiality resulting in a host DoS.
Weakness: CWE-59
Which versions are affected by CVE-2020-2024?
It affects 1 product.
Products include Katacontainers Runtime.
How do I fix CVE-2020-2024?
No fix has been published for CVE-2020-2024 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2020-2024 being exploited?
There is no known exploitation of CVE-2020-2024 in the wild and no public exploit code.