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AUSCERT External Security Bulletin Redistribution
ESB-2022.3072
Advisory (icsa-22-174-02) Yokogawa CAMS for HIS
24 June 2022
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AusCERT Security Bulletin Summary
---------------------------------
Product: Yokogawa CAMS for HIS
Publisher: ICS-CERT
Operating System: Network Appliance
Resolution: Mitigation
CVE Names: CVE-2022-30707
Original Bulletin:
https://us-cert.cisa.gov/ics/advisories/icsa-22-174-02
Comment: CVSS (Max): 6.4 CVE-2022-30707 (CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H)
CVSS Source: ICS-CERT
Calculator: https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
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ICS Advisory (ICSA-22-174-02)
Yokogawa CAMS for HIS
Original release date: June 23, 2022
Legal Notice
All information products included in https://us-cert.cisa.gov/ics are provided
"as is" for informational purposes only. The Department of Homeland Security
(DHS) does not provide any warranties of any kind regarding any information
contained within. DHS does not endorse any commercial product or service,
referenced in this product or otherwise. Further dissemination of this product
is governed by the Traffic Light Protocol (TLP) marking in the header. For more
information about TLP, see https://us-cert.cisa.gov/tlp/ .
1. EXECUTIVE SUMMARY
o CVSS v3 6.4
o ATTENTION: High attack complexity
o Vendor: Yokogawa
o Equipment: Consolidation Alarm Management Software for Human Interface
Station (CAMS for HIS)
o Vulnerability: Violation of Secure Design Principles
2. RISK EVALUATION
If a computer using CAMS for HIS software is compromised, it can be used to
compromise any number of other computers using CAMS for HIS software with the
potential to crash any affected software.
3. TECHNICAL DETAILS
3.1 AFFECTED PRODUCTS
The following products that use CAMS for HIS, are affected:
o CENTUM CS 3000 (including CENTUM CS 3000 Entry Class): Versions R3.08.10
through R3.09.00. These vulnerabilities affect this product if LHS4800
(CAMS for HIS) is installed.
o CENTUM VP (including CENTUM VP Entry Class): Versions R4.01.00 through
R4.03.00 (these product versions are affected only if CAMS function is
used), Versions R5.01.00 through R5.04.20, and R6.01.00 through R6.09.00
(these product versions are affected regardless of whether CAMS function is
used or not).
o Exaopc: Versions R3.72.00 through R3.80.00 (these product versions are
affected if NTPF100-S6 "For CENTUM VP Support CAMS for HIS" is installed).
o B/M9000CS: Versions R5.04.01 - R5.05.01
o B/M9000 VP: Versions R6.01.01 - R8.03.01
3.2VULNERABILITY OVERVIEW
3.2.1 VIOLATION OF SECURE DESIGN PRINCIPLES CWE-657
If an attacker successfully compromises a computer using CAMS for HIS software,
they can use credentials from the compromised machine to access data from
another machine using CAMS for HIS software. This can lead to a disabling of
CAMS for HIS software functions on any affected machines.
CVE-2022-30707 has been assigned to this vulnerability. A CVSS v3 base score of
6.4 has been calculated; the CVSS vector string is ( AV:A/AC:H/PR:N/UI:N/S:U/
C:L/I:L/A:H ).
3.3 BACKGROUND
o CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing, Energy, Food and
Agriculture
o COUNTRIES/AREAS DEPLOYED: Worldwide
o COMPANY HEADQUARTERS LOCATION: Japan
3.4 RESEARCHER
Jacob Baines from Dragos, Inc., reported this vulnerability to Yokogawa.
4. MITIGATIONS
Yokogawa has produced the following mitigations for the affected products:
o CENTUM CS 3000 (Including CENTUM CS 3000 Entry Class):
No software patch will be made available as these products are
end-of-life. Upgrade systems to the latest version of CENTUM VP.
o CENTUM VP (Including CENTUM VP Entry Class):
Versions R4.01.00 through R4.03.00, and R5.01.00 through R5.04.20
No software patch will be made available as these products are
end-of-life. Consider upgrading systems to the latest version of
CENTUM VP.
Versions R6.01.00 through R6.09.00
Update systems to Version R6.09.00 and apply software patch
R6.09.03
o Exaopc:
Update systems to Version R3.80.00 and apply software patch R3.80.01
o B/M9000CS and B/M9000 VP:
These products are not directly affected by the vulnerability. However,
these products are affected if CENTUM is installed on the same PC. If
CENTUM is installed, update as described above. Also update B/M9000 to
the latest version.
Please see Yokogawa Security Advisory Report YSAR-22-0006 at the following
locations for more information:
English
Japanese
For questions related to these mitigations, please contact Yokogawa .
CISA recommends users take defensive measures to minimize the risk of
exploitation of this vulnerability.
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 cisa.gov/ics 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 cisa.gov/ics 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 this vulnerability. This
vulnerability is not exploitable remotely.
For any questions related to this report, please contact the CISA at:
Email: CISAservicedesk@cisa.dhs.gov
Toll Free: 1-888-282-0870
CISA continuously strives to improve its products and services. You can help by
choosing one of the links below to provide feedback about this product.
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