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Moxa’s Response Regarding the uClibc and uClibc-ng Libraries Have a Monotonically Increasing DNS Transaction ID Vulnerability

Published: February 13, 2023

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 uClibc-ng libraries through to 1.0.40 and uClibc libraries through to 0.9.33.2 use predictable DNS transaction IDs that may lead to DNS cache poisoning.

Moxa is investigating to determine if any of our products are affected by this vulnerability. At the time of publication, none of Moxa’s products are affected.

Moxa's Product Security Incident Response Team (PSIRT) will keep monitoring the situation and if there are any updates to the status of the vulnerability that affects Moxa's products, we will provide an update immediately.

 

This alert has come from: https://www.moxa.com/en/support/product-support/security-advisory/the-uclibc-ng-libraries-through-to-1-0-40-and-uclibc-libraries-through-to-0-9-33-2-use-predictable-dns-transaction-ids-t