Successful exploitation of these vulnerabilities could allow a local user to escalate their privileges.
The following Tridium products are affected:
Niagara Windows and Linux Supervisor installations are not impacted.
The QNX procfs service provides access to various process information and assets, which could allow a less privileged process to gain access to a target address space.
A specific utility may allow an attacker to gain read access to privileged files.
Tridium has released updates that mitigate these vulnerabilities and recommends users update to the versions identified below:
Updates are available by contacting the sales support channel or by contacting the Tridium support team at email@example.com
All Tridium Niagara users for all supported platforms are encouraged to update their systems with these releases to mitigate risk. For further guidance, please contact a Tridium account manager or Customer Support.
In addition to updating to the latest version, Tridium recommends users with affected products take the following steps:
For more information please refer to:
CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
CISA also provides a section for control systems security recommended practices on the ICS webpage on us-cert.gov. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
Additional mitigation guidance and recommended practices are publicly available on the ICS webpage on us-cert.gov in the Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.
Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to CISA for tracking and correlation against other incidents.
No known public exploits specifically target these vulnerabilities. These vulnerabilities are not exploitable remotely.
For any questions related to this report, please contact the CISA at:
Toll Free: 1-888-282-0870
For industrial control systems cybersecurity information: https://www.us-cert.gov/ics
or incident reporting: https://www.us-cert.gov/report
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