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TLP:WHITE
 1. Industrial Control Systems    >
 2. ICS-CERT Advisories    >
 3. Rockwell Automation Studio 5000 Logix Designer

More ICS-CERT Advisories


ICS ADVISORY (ICSA-22-090-07)


ROCKWELL AUTOMATION STUDIO 5000 LOGIX DESIGNER

Original release date: March 31, 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/.

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1. EXECUTIVE SUMMARY

 * CVSS v3 7.7
 * ATTENTION: Low attack complexity
 * Vendor: Rockwell Automation
 * Equipment: Studio 5000 Logix Designer
 * Vulnerability: Code Injection


2. RISK EVALUATION

Successful exploitation of this vulnerability may allow an attacker to download
a modified program to the controller.


3. TECHNICAL DETAILS


3.1 AFFECTED PRODUCTS

Rockwell Automation reports this vulnerability affects the following Studio 5000
Logix Designer design, configuration hardware, and software products:

 * ControlLogix 5580 controllers
 * GuardLogix 5580 controllers
 * CompactLogix 5380 controllers
 * CompactLogix 5480 controllers
 * Compact GuardLogix 5380 controllers


3.2 VULNERABILITY OVERVIEW

3.2.1    IMPROPER CONTROL OF GENERATION OF CODE (CODE INJECTION) CWE-94

An attacker who achieves administrator access on a workstation running Studio
5000 Logix Designer could inject controller code undetectable to a user.

CVE-2022-1159 has been assigned to this vulnerability. A CVSS v3 base score of
7.7 has been assigned; the CVSS vector string is
(AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H).


3.3 BACKGROUND

 * CRITICAL INFRASTRUCTURE SECTORS: Multiple Sectors
 * COUNTRIES/AREAS DEPLOYED: Worldwide
 * COMPANY HEADQUARTERS LOCATION: United States


3.4 RESEARCHER

Sharon Brizinov and Tal Keren of Claroty reported this vulnerability to Rockwell
Automation.


4. MITIGATIONS

Rockwell Automation recommends users of the affected hardware and software take
risk mitigation steps listed below. Users are encouraged, when possible, to
combine this guidance with the general security guidelines for a comprehensive
defense-in-depth strategy.

There is no direct mitigation for this vulnerability in the Logix Designer
application. However, a detection method is available to determine if the user
program residing in the controller is identical to what was downloaded. This
user program verification can be done by the following:

 * On-demand using the Logix Designer application Compare Tool v9 or later
 * Scheduled using FactoryTalk AssetCentre v12 or later user program
   verification (Available Fall 2022)

To leverage these detection capabilities, users are directed to upgrade to:

 * Studio 5000 v34 software. or later
 * Corresponding versions of Logix 5580, 5380, 5480, GuardLogix 5580 and Compact
   GuardLogix 5380 controller firmware.
 * One of the following compare tools
   * Logix Designer application Compare Tool v9 or later – installed with Studio
     5000 Logix Designer
   * FactoryTalk AssetCentre v12 or later software (Available Fall 2022)

This user program comparison must be performed on an uncompromised workstation.

CISA recommends users take defensive measures to minimize the risk of
exploitation of this vulnerability. Specifically, users should:

 * Minimize network exposure for all control system devices and/or systems, and
   ensure they are not accessible from the Internet.
 * Locate control system networks and remote devices behind firewalls and
   isolate them from the business network.
 * When remote access is required, use secure methods, such as Virtual Private
   Networks (VPNs), recognizing VPNs may have vulnerabilities and should be
   updated to the most current version available. Also recognize VPN is only as
   secure as its connected devices.

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. 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 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.



CONTACT INFORMATION

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

Email: CISAservicedesk@cisa.dhs.gov(link sends email)
Toll Free: 1-888-282-0870

For industrial control systems cybersecurity information: 
https://us-cert.cisa.gov/ics 
or incident reporting:  https://us-cert.cisa.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.

Please share your thoughts.

We recently updated our anonymous product survey; we'd welcome your feedback.


CONTACT US

(888)282-0870

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