ICS Advisory (ICSA-19-199-01)

Johnson Controls exacqVision Server

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1. EXECUTIVE SUMMARY

  • CVSS v3 6.7
  • Vendor: Exacq Technologies, Inc., a subsidiary of Johnson Controls
  • Equipment: exacqVision Server
  • Vulnerability: Unquoted Search Path or Element

2. RISK EVALUATION

Successful exploitation of this vulnerability could allow an unauthenticated user to elevate their privileges.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

This vulnerability impacts exacqVision server Versions 9.6 and 9.8

3.2 VULNERABILITY OVERVIEW

3.2.1    UNQUOTED SEARCH PATH OR ELEMENT CWE-428

Some services have an unquoted service path. If an authenticated user is able to insert code in the system root path, that code can be executed during the application startup.

CVE-2019-7590 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

  • CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing
  • COUNTRIES/AREAS DEPLOYED: Worldwide
  • COMPANY HEADQUARTERS LOCATION: Ireland

3.4 RESEARCHER

Gjoko Kristic of Zero Science Lab reported this vulnerability to Johnson Controls.

4. MITIGATIONS

Johnson Controls recommends the following:

For questions concerning this product, contact Johnson Controls Global Product Security; email: productsecurity@jci.com.

CISA recommends users take the following measures to protect themselves from social engineering attacks:

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 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 this vulnerability. This vulnerability is not exploitable remotely. High skill level is needed to exploit.


Contact Information

For any questions related to this report, please contact the NCCIC at:

Email: NCCICCUSTOMERSERVICE@hq.dhs.gov
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