Improper validation of integrity check value in Moxa NPort 5000 Series

1) Improper validation of integrity check value

EUVDB-ID: #VU81458

Risk: Low

CVSSv3.1: 6 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2023-4929

CWE-ID: CWE-354 - Improper Validation of Integrity Check Value

Exploit availability: No

Description

The vulnerability allows a remote user to bypass integrity checks.

The vulnerability exists due to improper validation of integrity check. A remote authenticated administrator can manipulate the firmware and gain control of devices.

Mitigation

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

Vulnerable software versions

NPort 5000AI-M12 Series: 1.5

NPort 5130: 3.10

NPort 5150: 3.10

NPort 5110: 2.10

NPort 5100A Series: 1.6

NPort 5200 Series: 2.12

NPort 5200A Series: 1.6

NPort 5410: 2.9 - 3.14

NPort 5430: 2.9 - 3.14

NPort 5450: 2.9 - 3.14

NPort 5600 Series: 3.11

NPort 5600-DT Series: 2.9

NPort IA5000 Series: 1.7 - 2.1

NPort IA5450A Series: 2.0

NPort IA5150A: 1.5

NPort IA5250A: 1.5

NPort IA5000A-I/O Series: 2.0

NPort IAW5000A-I/O Series: 2.2

NPort P5150A Series: 1.6

External links

http://www.moxa.com/en/support/product-support/security-advisory/mpsa-233328-nport-5000-series-firmware-improper-validation-of-integrity-check-vulnerability

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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