#VU64731 Path traversal in 8373 IP Zone Paging Adapter - CVE-2022-31395

Vulnerability identifier: #VU64731

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-31395

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
8373 IP Zone Paging Adapter
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: ALGO COMMUNICATION PRODUCTS

Description

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

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can send a specially crafted HTTP request to /fm-data.lua and read arbitrary files on the system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

8373 IP Zone Paging Adapter: 1.7.6

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External links
https://n0ur5sec.medium.com/achievement-unlocked-cve-2022-31395-33299f32cc00

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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