1. EXECUTIVE SUMMARY

  • CVSS v3 7.8
  • ATTENTION: Low skill level to exploit
  • Vendor: ABB
  • Equipment: Device Library Wizard
  • Vulnerability: Insecure Storage of Sensitive Information

2. RISK EVALUATION

Successful exploitation of this vulnerability could allow a low-level user to escalate privileges and fully compromise the device.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

The following products of Device Library Wizard are affected:

  • Device Library Wizard: Versions 6.0.X, 6.0.3.1, and 6.0.3.2

3.2 VULNERABILITY OVERVIEW

3.2.1    INSECURE STORAGE OF SENSITIVE INFORMATION CWE-922

The software writes sensitive system information to an unprotected file, and a low-privileged user could read confidential data from such a file. This could allow the user to take control of the product

CVE-2020-8482 has been assigned to this vulnerability. A CVSS v3 base score of 7.8 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

3.3 BACKGROUND

  • CRITICAL INFRASTRUCTURE SECTORS: Chemical, Critical Manufacturing, Dams, Energy, Food and Agriculture, Water and Wastewater Systems
  • COUNTRIES/AREAS DEPLOYED: Worldwide
  • COMPANY HEADQUARTERS LOCATION: United States

3.4 RESEARCHER

William Knowles of Applied Risk reported this vulnerability to ABB.

4. MITIGATIONS

ABB recommends users apply one of the following updates:

  • Device Library Wizard Version 6.0.3.2 RU1
  • Device Library Wizard Version 6.0.3.3
  • Device Library Wizard Version 6.1.X and later

ABB recommends disabling interactive logon for the service account (both local and remote).

For more information please refer to ABB’s Cybersecurity Advisory.

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

  • Follow the principle of least privilege.

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.

Source:

https://us-cert.cisa.gov/ics/advisories/icsa-20-175-03