ICS Advisory (ICSA-20-070-04)

Johnson Controls Kantech EntraPass

Legal Notice

All information products included in https://us-cert.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://www.us-cert.gov/tlp/.


 

1. EXECUTIVE SUMMARY

  • CVSS v3 9.8
  • ATTENTION: Exploitable remotely/low skill level to exploit
  • Vendor: Kantech, a subsidiary of Johnson Controls
  • Equipment: EntraPass
  • Vulnerability: Improper Input Validation

2. RISK EVALUATION

Successful exploitation of this vulnerability could allow malicious code execution with system-level privileges.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

The following versions of Kantech EntraPass security management software are affected:

  • Corporate Edition: All versions prior to v8.10
  • Global Edition: All versions prior to v8.10

3.2 VULNERABILITY OVERVIEW

3.2.1     IMPROPER INPUT VALIDATION CWE-20

An issue with an API may allow an attacker to upload and execute malicious code with system-level privileges.

CVE-2019-7589 has been assigned to this vulnerability. A CVSS v3 base score of 9.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/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

Joachim Kerschbaumer reported this vulnerability to Johnson Controls.

3. MITIGATIONS

Johnson Controls recommends the following:

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

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.


Contact Information

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

Email: CISAservicedesk@cisa.dhs.gov
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

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.

This product is provided subject to this Notification and this Privacy & Use policy.

Was this document helpful?  Yes  |  Somewhat  |  No