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AUSCERT External Security Bulletin Redistribution
ESB-2019.2116
Advisory (ICSA-19-164-01) Johnson Controls exacqVision
Enterprise System Manager
14 June 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: Johnson Controls exacqVision Enterprise System Manager
Publisher: ICS-CERT
Operating System: Network Appliance
Impact/Access: Increased Privileges -- Existing Account
Modify Arbitrary Files -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-7588
Original Bulletin:
https://ics-cert.us-cert.gov/advisories/ICSA-19-164-01
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Advisory (ICSA-19-164-01)
Johnson Controls exacqVision Enterprise System Manager
Original release date: June 13, 2019
Legal Notice
All information products included in http://ics-cert.us-cert.gov 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 http://www.us-cert.gov/tlp/ .
1. EXECUTIVE SUMMARY
o CVSS v3 6.7
o Vendor: Johnson Controls
o Equipment: exacqVision Enterprise System Manager (ESM)
o Vulnerability: Improper Authorization
2. RISK EVALUATION
Successful exploitation of this vulnerability could allow malicious code
execution.
3. TECHNICAL DETAILS
3.1 AFFECTED PRODUCTS
This vulnerability impacts exacqVision ESM v5.12.2 and prior. All Microsoft
Windows operating systems are affected with the exception of Microsoft Windows
Server.
3.2 VULNERABILITY OVERVIEW
3.2.1 IMPROPER AUTHORIZATION CWE-285
By default, excessive permissions to directories are granted to authorized,
low-privilege system accounts. This could be leveraged by an attacker to make
application file changes or to enable privilege escalation attacks.
CVE-2019-7588 has been assigned to this vulnerability. A CVSS v3 base score of
6.7 has been calculated; the CVSS vector string is ( AV:L/AC:H/PR:L/UI:R/S:U/
C:H/I:H/A:H ).
3.3 BACKGROUND
o CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing
o COUNTRIES/AREAS DEPLOYED: Worldwide
o COMPANY HEADQUARTERS LOCATION: Ireland
3.4 RESEARCHER
@bzyo_ reported this vulnerability to Johnson Controls. Johnson Controls
reported this vulnerability to NCCIC.
4. MITIGATIONS
Johnson Controls recommends the following:
o Users should upgrade to the latest product, Version 19.03
o Further ICS security notices and product security guidance are located at
the Johnson Controls product security website: https://
www.johnsoncontrols.com/cyber-solutions/security-advisories
For questions concerning this product, contact Johnson Controls Global Product
Security:
https://www.johnsoncontrols.com/cyber-solutions
productsecurity@jci.com
NCCIC recommends users take the following measures to protect themselves from
social engineering attacks:
o Do not click web links or open unsolicited attachments in email messages.
o Refer to Recognizing and Avoiding Email Scams for more information on
avoiding email scams.
o Refer to Avoiding Social Engineering and Phishing Attacks for more
information on social engineering attacks.
NCCIC reminds organizations to perform proper impact analysis and risk
assessment prior to deploying defensive measures.
NCCIC 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
on the ICS-CERT website 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 NCCIC for tracking
and correlation against other incidents.
No known public exploits specifically target this vulnerability. This
vulnerability is not exploitable remotely. High skill level is needed to
exploit.
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