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Multiple Vulnerabilities in MXview One and MXview One Central Manager Series

Published: September 21, 2024

This Alert Is From MOXA

As Industrial IoT (IIoT) adoption continues to proliferate, cybersecurity has become one of the top priorities. The Moxa Product Security Incident Response Team (PSIRT) takes a proactive approach to protect products from cybersecurity vulnerabilities. Moxa PSIRT investigates all reports of vulnerabilities that could potentially affect Moxa products. Moxa created a vulnerability management policy to provide guidance and information to our customers in the event of a reported vulnerability. The management policy ensures that Moxa’s customers have steady, unambiguous resources to help them understand how Moxa resolves or mitigates reported vulnerabilities. For any queries, please email [email protected].

The impact of CVE-2024-6785, CVE-2024-6786, and CVE-2024-6787 vulnerabilities is detailed in this advisory. These vulnerabilities lead to various attacks, including the exposure of local credentials and arbitrary file writing to the system via the Message Queuing Telemetry Transport (MQTT) protocol. The affected products are MXview One and MXview One Central Manager Series. 

The identified vulnerability types and potential impacts are listed below:

Item Vulnerability Type Impact
1 CWE-313: Cleartext Storage in a File or on Disk (*CVE-2024-6785) The configuration file stores credentials in cleartext. An attacker with local access rights can read or modify the configuration file, potentially resulting in the service being abused because of sensitive information exposure.
2 CWE-24: Path Traversal: ‘../filedir’ (*CVE-2024-6786) The vulnerability allows an attacker to craft MQTT messages that include relative path traversal sequences, enabling them to read arbitrary files on the system. This could lead to the disclosure of sensitive information, such as configuration files and JWT signing secrets.
3 CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition (*CVE-2024-6787) This vulnerability occurs when an attacker exploits a race condition between the time a file is checked and the time it is used (TOCTOU). By exploiting this race condition, an attacker can write arbitrary files to the system. This could allow the attacker to execute malicious code and potentially cause file losses.

Note: An asterisk (*) in the table above indicates newly assigned Common Vulnerabilities and Exposures (CVE) identifiers.

Vulnerability Scoring Details

ID Base Score Vector Unauthenticated Remote Exploits
CVE-2024-6785 CVSS 3.1: 5.5 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N No
CVSS 4.0: 6.8 AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N No
CVE-2024-6786 CVSS 3.1: 6.5 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N No
CVSS 4.0: 6.0 AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N No
CVE-2024-6787 CVSS 3.1: 5.3 AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N No
CVSS 4.0: 6.0 AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N No

 

This alert has come from: https://www.moxa.com/en/support/product-support/security-advisory/mpsa-240735-multiple-vulnerabilities-in-mxview-one-and-mxview-one-central-manager-series