Successful exploitation of these vulnerabilities could allow an unauthenticated, remote attacker to execute arbitrary code on the targeted system.
Schneider Electric reports these vulnerabilities affect the following ProClima building and automation control products:
A code injection vulnerability could allow an unauthenticated, remote attacker to execute arbitrary code on the targeted system.
A buffer error vulnerability could allow an unauthenticated, remote attacker to execute arbitrary code on the targeted system.
An uncontrolled search path element vulnerability could allow a malicious DLL file with the same name of any resident DLLs inside the software installation to execute arbitrary code.
Haojun Hou reported a vulnerability to CISA. Kushal Arvind Shah of Fortinet,Yongjun Liu of NSFOCUS security team, and Telus reported vulnerabilities to Schneider Electric.
Schneider Electric has released Version 8.0.0 of ProClima and recommends users upgrade to this version or newer. Users may find the new version at the following location on the Schneider Electric website:
For more information on these vulnerabilities and the associated upgrade, please see Schneider Electric’s SEVD-2019-162-01:
Schneider Electric recommends the following best cybersecurity practices for industry:
For further information related to cybersecurity in Schneider Electric’s products, please visit the company’s cybersecurity webpage:
If you require additional support, Schneider Electric Industrial Cybersecurity Services team is available to help. Please visit:
CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
CISA also recommends users take the following measures to protect themselves from social engineering attacks:
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.
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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