critical9.1
CVE-2022-31483
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.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Hidglobal | Lp1501 Firmware | before 1.271 |
| Hidglobal | Lp1502 Firmware | before 1.271 |
| Hidglobal | Lp2500 Firmware | before 1.271 |
| Hidglobal | Lp4502 Firmware | before 1.271 |
| Hidglobal | Ep4502 Firmware | before 1.271 |
| Carrier | Lenels2 Lnl-4420 Firmware | before 1.271 |
| Carrier | Lenels2 Lnl-X2210 Firmware | before 1.271 |
| Carrier | Lenels2 Lnl-X2220 Firmware | before 1.271 |
| Carrier | Lenels2 Lnl-X3300 Firmware | before 1.271 |
| Carrier | Lenels2 Lnl-X4420 Firmware | before 1.271 |
| Carrier | Lenels2 S2-Lp-1501 Firmware | before 1.271 |
| Carrier | Lenels2 S2-Lp-1502 Firmware | before 1.271 |