CVE-2022-27818 Insecure temporary file usage in SWHKD

What is CVE-2022-27818?

CVE-2022-27818 is a critical path traversal vulnerability in n/a, published on 7 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

SWHKD 1.1.5 unsafely uses the /tmp/swhkd.sock pathname. There can be an information leak or denial of service.

Weakness: CWE-668

Which versions are affected by CVE-2022-27818?

2 open source packages ship an affected version, including Simple-Wayland-HotKey-Daemon. It affects 1 product.

Products include Waycrate Swhkd.

How do I fix CVE-2022-27818?

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-2022-27818 being exploited?

There is no known exploitation of CVE-2022-27818 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2022-27815 Insecure Temporary File in SWHKD High 7.8
• CVE-2022-27816 Data Loss/Denial of Service in SWHKD High 7.1
• CVE-2022-27819 Unsafe parsing in SWHKD Medium 5.3
• CVE-2022-27817 Exposure of Resource to Wrong Sphere in Simple-Wayland-HotKey-Daemon Medium 4.4
• CVE-2022-27814 Exposure of Resource to Wrong Sphere in Simple-Wayland-HotKey-Daemon Low 3.3

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-r3r5-jhw6-4634.