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Moxa’s Response Regarding Sudo Heap-based Buffer Overflow Vulnerability (CVE-2021-3156)

Published: February 17, 2021

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].

Sudo is a utility included in many Linux-based operating systems that allows a user to run programs with the security privileges of another user. A Heap-based buffer overflow vulnerability has been found on Sudo versions 1.8.2 through 1.8.31p2 and 1.9.0 through 1.9.5p1. An attacker could exploit this vulnerability to take control of an affected system.

Moxa's Cyber Security Response Team (CSRT) is fully engaged in this matter and we are taking appropriate action. If there are any updates to the status of the vulnerabilities or how these affect Moxa's products, we will provide an update immediately.

 

This alert has come from: https://www.moxa.com/en/support/product-support/security-advisory/moxa-response-regarding-sudo-heap-based-buffer-overflow-vulnerability-cve-2021-3156