Path traversal in Carrier LenelS2 HID Mercury access panels

1) Path traversal

EUVDB-ID: #VU63971

Risk: Low

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-31483

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote administrator can send a specially crafted HTTP request and upload arbitrary file anywhere on the filesystem.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

LNL-X2210: before 1.271

LNL-X2220: before 1.271

LNL-X3300: before 1.271

LNL-X4420: before 1.271

LNL-4420: before 1.271

S2-LP-1501: before 1.271

S2-LP-4502: before 1.271

S2-LP-2500: before 1.271

S2-LP-1502: before 1.271

External links

http://ics-cert.us-cert.gov/advisories/icsa-22-153-01
http://www.corporate.carrier.com/Images/CARR-PSA-HID-Mercury-Vulnerabilities-006-0622_tcm558-170514...

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.