CVE-2022-27816 Data Loss/Denial of Service in SWHKD
An attacker can cause denial of service or data loss by exploiting unsafe usage of a predictable temporary file path in the SWHKD library.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-27816?
CVE-2022-27816 is a high-severity path traversal vulnerability in n/a, published on 30 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
SWHKD 1.1.5 unsafely uses the /tmp/swhks.pid pathname. There can be data loss or a denial of service.
Weakness: CWE-59
Which versions are affected by CVE-2022-27816?
2 open source packages ship an affected version, including Simple-Wayland-HotKey-Daemon. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
Simple-Wayland-HotKey-Daemon crates.io | All versions | 1.2.0 |
Simple-Wayland-HotKey-Daemon crates.io | All versions | 1.2.0 |
Products include Waycrate Swhkd.
How do I fix CVE-2022-27816?
Upgrade Simple-Wayland-HotKey-Daemon to 1.2.0 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2022-27816 being exploited?
There is no known exploitation of CVE-2022-27816 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2022-27818 Insecure temporary file usage in SWHKD
- CVE-2022-27815 Insecure Temporary File in SWHKD
- CVE-2022-27819 Unsafe parsing in SWHKD
- CVE-2022-27817 Exposure of Resource to Wrong Sphere in Simple-Wayland-HotKey-Daemon
- CVE-2022-27814 Exposure of Resource to Wrong Sphere in Simple-Wayland-HotKey-Daemon
Sources
Also known as GHSA-8m49-2xj8-67v9.