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Moxa NPort Resource Exhaustion (CVE-2016-9367)

high Tenable OT Security Plugin ID 501563

Synopsis

The remote OT asset is affected by a vulnerability.

Description

An issue was discovered in Moxa NPort 5110 versions prior to 2.6, NPort 5130/5150 Series versions prior to 3.6, NPort 5200 Series versions prior to 2.8, NPort 5400 Series versions prior to 3.11, NPort 5600 Series versions prior to 3.7, NPort 5100A Series & NPort P5150A versions prior to 1.3, NPort 5200A Series versions prior to 1.3, NPort 5150AI-M12 Series versions prior to 1.2, NPort 5250AI-M12 Series versions prior to 1.2, NPort 5450AI-M12 Series versions prior to 1.2, NPort 5600-8-DT Series versions prior to 2.4, NPort 5600-8-DTL Series versions prior to 2.4, NPort 6x50 Series versions prior to 1.13.11, NPort IA5450A versions prior to v1.4. The amount of resources requested by a malicious actor is not restricted, leading to a denial- of-service caused by resource exhaustion.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

See Also

http://www.securityfocus.com/bid/85965

https://ics-cert.us-cert.gov/advisories/ICSA-16-336-02

Plugin Details

Severity: High

ID: 501563

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 8/2/2023

Updated: 9/4/2024

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2016-9367

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:moxa:nport_5600-8-dtl_series_firmware, cpe:/o:moxa:nport_5150ai-m12_series_firmware, cpe:/o:moxa:nport_6000_series_firmware, cpe:/o:moxa:nport_5130_series_firmware, cpe:/o:moxa:nport_5600_series_firmware, cpe:/o:moxa:nport_5200a_series_firmware, cpe:/o:moxa:nport_5600-8-dt_series_firmware, cpe:/o:moxa:nport_ia5450a_series_firmware, cpe:/o:moxa:nport_6110_series_firmware, cpe:/o:moxa:nport_5250ai-m12_series_firmware, cpe:/o:moxa:nport_p5150a_firmware, cpe:/o:moxa:nport_6100_series_firmware, cpe:/o:moxa:nport_5450ai-m12_series_firmware, cpe:/o:moxa:nport_5100a_series_firmware, cpe:/o:moxa:nport_5200_series_firmware, cpe:/o:moxa:nport_5150_series_firmware, cpe:/o:moxa:nport_5400_series_firmware, cpe:/o:moxa:nport_5110_series_firmware

Required KB Items: Tenable.ot/Moxa

Exploit Ease: No known exploits are available

Patch Publication Date: 2/13/2017

Vulnerability Publication Date: 2/13/2017

Reference Information

CVE: CVE-2016-9367

CWE: 400

ICSA: 16-336-02