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AUSCERT External Security Bulletin Redistribution
ESB-2022.4803
Advisory (icsa-22-270-02) Hitachi Energy APM Edge
28 September 2022
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AusCERT Security Bulletin Summary
---------------------------------
Product: Hitachi Energy APM Edge
Publisher: ICS-CERT
Operating System: Network Appliance
Resolution: Patch/Upgrade
CVE Names: CVE-2022-0492 CVE-2021-4034
Original Bulletin:
https://us-cert.cisa.gov/ics/advisories/icsa-22-270-02
Comment: CVSS (Max): 7.8 CVE-2022-0492 (CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
CVSS Source: ICS-CERT
Calculator: https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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ICS Advisory (ICSA-22-270-02)
Hitachi Energy APM Edge
Original release date: September 27, 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 7.8
o ATTENTION: Low attack complexity/public exploits are available
o Vendor: Hitachi Energy
o Equipment: Lumada Asset Performance Management (APM) Edge
o Vulnerabilities: Out-of-Bounds Write and Improper Authentication
2. RISK EVALUATION
Successful exploitation of this vulnerability could allow users to escalate
privileges from a user account to root.
3. TECHNICAL DETAILS
3.1 AFFECTED PRODUCTS
The following versions of APM are affected:
o Lumada APM Edge Version 1.0
o Lumada APM Edge Version 2.0
o Lumada APM Edge Version 3.0
o Lumada APM Edge Version 4.0
3.2 VULNERABILITY OVERVIEW
3.2.1 OUT-OF-BOUNDS WRITE CWE-787
The affected product is vulnerable to a privilege escalation attack, which
could allow an attacker to escalate a user account to root.
CVE-2021-4034 has been assigned to this vulnerability. A CVSS v3 base score of
7.8 has been calculated; the CVSS vector string is ( AV:L/AC:L/PR:L/UI:N/S:U/
C:H/I:H/A:H ).
3.2.2 IMPROPER AUTHENTICATION CWE-287
The affected product is vulnerable to a privilege escalation attack, which
could allow an attacker to bypass the namespace isolation unexpectedly.
CVE-2022-0492 has been assigned to this vulnerability. A CVSS v3 base score of
7.8 has been calculated; the CVSS vector string is ( AV:L/AC:L/PR:L/UI:N/S:U/
C:H/I:H/A:H ).
3.3 BACKGROUND
o CRITICAL INFRASTRUCTURE SECTORS: Energy
o COUNTRIES/AREAS DEPLOYED: Worldwide
o COMPANY HEADQUARTERS LOCATION: Switzerland
3.4 RESEARCHER
Hitachi Energy reported this vulnerability to CISA.
4. MITIGATIONS
When applicable, Hitachi Energy recommends users update to Lumada APM Edge v6.3
at the earliest convenience.
Hitachi Energy recommends the following security practices and firewall
configurations to help protect a network from attacks originating outside the
network:
o Physically protect process control systems from unauthorized direct access.
o Ensure process control systems have no direct connections to the internet.
o Use firewall systems to separate process control systems from other
networks.
o Ensure the firewall system only has necessary ports exposed.
APM should only be used to access the internet for authorized information.
Portable computers and removable storage media should be carefully scanned for
viruses before connecting to a control system.
For more information, see Hitachi Energy advisory 8DBD000115 .
CISA recommends users take defensive measures to minimize the risk of
exploitation of this vulnerability these vulnerabilities.
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 at cisa.gov/ics . Several CISA products detailing cyber
defense best 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 at cisa.gov/ics in the technical information paper,
ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation
Strategies .
Organizations observing suspected malicious activity should follow established
internal procedures and report findings to CISA for tracking and correlation
against other incidents.
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
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