CVE-2022-40976 PILZ: Multiple products affected by ZipSlip
An unauthenticated local attacker can exploit a ZipSlip vulnerability in PILZ engineering software to write arbitrary files via malicious configuration archives.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-40976?
CVE-2022-40976 is a medium-severity path traversal vulnerability in PILZ PAS4000, published on 24 Nov 2022. 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 path traversal vulnerability was discovered in multiple Pilz products. An unauthenticated local attacker could use a zipped, malicious configuration file to trigger arbitrary file writes ('zip-slip'). File writes do not affect confidentiality or availability.
Weakness: CWE-22
Which versions are affected by CVE-2022-40976?
It affects 5 products.
Products include Pilz Pas 4000, Pliz Pascal, Pliz Pasconnect, Pliz Pasmotion, Pliz Pnozmulti Configurator.
How do I fix CVE-2022-40976?
No fix has been published for CVE-2022-40976 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-2022-40976 being exploited?
There is no known exploitation of CVE-2022-40976 in the wild and no public exploit code.
Sources
Also known as GHSA-g8jg-vfp7-h8mr.