CVE-2022-31483 Arbitrary file write via authenticated OSDP file upload

Critical 9.1 Published 6 Jun 2022 Updated 16 Sep 2024

Authenticated attackers can exploit path traversal in file uploads to overwrite system files and gain root access on HID Mercury controllers.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-31483?

CVE-2022-31483 is a critical path traversal vulnerability in HID Mercury EP4502, published on 6 Jun 2022. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

An authenticated attacker can upload a file with a filename including “..” and “/” to achieve the ability to upload the desired file anywhere on the filesystem. This vulnerability impacts products based on HID Mercury Intelligent Controllers LP1501, LP1502, LP2500, LP4502, and EP4502 which contain firmware versions prior to 1.271. This allows a malicious actor to overwrite sensitive system files and install a startup service to gain remote access to the underlaying Linux operating system with root privileges.

Weakness: CWE-22

Which versions are affected by CVE-2022-31483?

It affects 14 products.

Products include Carrier Lenels2 Lnl-4420 Firmware, Carrier Lenels2 Lnl-X2210 Firmware, Carrier Lenels2 Lnl-X2220 Firmware, Carrier Lenels2 Lnl-X3300 Firmware, Carrier Lenels2 Lnl-X4420 Firmware, Carrier Lenels2 S2-Lp-1501 Firmware and 8 more.

How do I fix CVE-2022-31483?

No fix has been published for CVE-2022-31483 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-2022-31483 being exploited?

There is no known exploitation of CVE-2022-31483 in the wild and no public exploit code.

Sources

Also known as GHSA-6jwc-5xg2-843h.