ATTENTION: Remotely exploitable/low skill level to exploit.
Vendor: Saia Burgess Controls
Equipment: PCD Controllers
Vulnerability: Information Exposure
This advisory was originally posted to the NCCIC Portal on August 22, 2017, and is being released to the NCCIC/ICS-CERT web site.
Saia Burgess Controls reports that the vulnerability affects the following PCD Controllers:
Successful exploitation of this vulnerability could allow an attacker to obtain information in memory.
Saia Burgess Controls strongly recommends that users update to the latest versions of firmware, Version 1.28.16 or 1.24.69.
The security upgrade section of the Saia Burgess Controls web page links to the latest versions and offers security tips and upgrade information:
Please see the latest update information for this product at the following web site:
ICS-CERT recommends that users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Specifically, users should:
ICS-CERT reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
ICS-CERT also provides a section for control systems security recommended practices on the ICS-CERT web page. 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 in the ICS‑CERT Technical Information Paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies, that is available for download from the ICS-CERT web site.
Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to ICS-CERT for tracking and correlation against other incidents.
No known public exploits specifically target this vulnerability.
In certain circumstances, the device pads Ethernet frames with memory contents.
Davide Fauri of Eindhoven University of Technology discovered and reported this vulnerability to ICS-CERT.
Critical Infrastructure Sector: Chemical and Energy
Countries/Areas Deployed: Worldwide
Company Headquarters Location: Switzerland
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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