CVE-2022-21132 Path traversal in pfSense-pkg-WireGuard
A remote authenticated attacker can exploit a directory traversal flaw in the pfSense WireGuard plugin to view files outside the public folder.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-21132?
CVE-2022-21132 is a medium-severity path traversal vulnerability in pfSense-pkg-WireGuard, published on 7 Mar 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Directory traversal vulnerability in pfSense-pkg-WireGuard pfSense-pkg-WireGuard 0.1.5 versions prior to 0.1.5_4 and pfSense-pkg-WireGuard 0.1.6 versions prior to 0.1.6_1 allows a remote authenticated attacker to lead a pfSense user to view a file outside the public folder.
Weakness: CWE-22
Which versions are affected by CVE-2022-21132?
It affects 1 product.
Products include Pfsense Pfsense-Pkg-Wireguard.
How do I fix CVE-2022-21132?
No fix has been published for CVE-2022-21132 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-2022-21132 being exploited?
There is no known exploitation of CVE-2022-21132 in the wild and no public exploit code.
Sources
Also known as GHSA-3c9g-4q34-jp78.