ICS Advisory (ICSA-22-244-01)

Delta Electronics DOPSoft (Update A)

Click to Tweet.
Click to send to Facebook.
Click to Share.

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

  • CVSS v3 3.3
  • ATTENTION: Low attack complexity
  • Vendor: Delta Electronics
  • Equipment: DOPSoft
  • Vulnerability: Out-of-bounds Read

2. UPDATE INFORMATION

This updated advisory is a follow-up to the original advisory titled ICSA-22-244-01 Delta Electronics DOPSoft that was published September 01, 2022, on the ICS webpage on cisa.gov/ICS. 

3. RISK EVALUATION

Successful exploitation of this vulnerability could allow an attacker to gain sensitive information.

4. TECHNICAL DETAILS

4.1 AFFECTED PRODUCTS

The following versions of DOPSoft, a software supporting the DOP-100 series HMI screens, are affected:

  • DOPSoft: All versions

4.2 VULNERABILITY OVERVIEW

4.2.1    OUT-OF-BOUNDS READ CWE-125

Two out-of-bounds read conditions may occur due to the affected product not properly sanitizing input while processing specific project files, which may allow unauthorized information disclosure. 

CVE-2022-2966 has been assigned to this vulnerability. A CVSS v3 base score of 3.3 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N).

4.3 BACKGROUND

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

4.4 RESEARCHER

Natnael Samson (@NattiSamson) working with Trend Micro’s Zero Day Initiative reported this vulnerability to CISA.

5. MITIGATIONS

--------- Begin Update A part 1 of 1 ---------

Delta Electronics recommends users either update to DOPSoft v4.00.16 or later or migrate to DIAScreen in DIAStudio v1.1.2 or later

--------- End Update A part 1 of 1 ---------

Delta Electronics recommends users to migrate to DIAScreen in DIAStudio v1.1.2 or later.

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 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.

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
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.