ICS Advisory (ICSA-20-056-05)

Honeywell WIN-PAK

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1. EXECUTIVE SUMMARY

  • CVSS v3 8.1
  • ATTENTION: Exploitable remotely
  • Vendor: Honeywell
  • Equipment: WIN-PAK
  • Vulnerabilities: Cross-site Request Forgery, Improper Neutralization of HTTP Headers for Scripting Syntax, Use of Obsolete Function

2. RISK EVALUATION

Successful exploitation of these vulnerabilities allows an attacker to perform remote code execution.

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

The following versions of WIN-PAK, a monitoring platform, are affected:

  • WIN-PAK 4.7.2, Web and prior versions

3.2 VULNERABILITY OVERVIEW

3.2.1    CROSS-SITE REQUEST FORGERY CWE-352

The affected product is vulnerable to a cross-site request forgery, which may allow an attacker to remotely execute arbitrary code.

CVE-2020-7005 has been assigned to this vulnerability. A CVSS v3 base score of 8.1 has been calculated; the CVSS vector string is (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

3.2.2    IMPROPER NEUTRALIZATION OF HTTP HEADERS FOR SCRIPTING SYNTAX CWE-644

The header injection vulnerability has been identified, which may allow remote code execution.

CVE-2020-6982 has been assigned to this vulnerability. A CVSS v3 base score of 6.3 has been calculated; the CVSS vector string is (AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L).

3.2.3    USE OF OBSOLETE FUNCTION CWE-477

The affected product is vulnerable due to the usage of old jQuery libraries. 

CVE-2020-6978 has been assigned to this vulnerability. A CVSS v3 base score of 7.2 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N).

3.3 BACKGROUND

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

3.4 RESEARCHER

Honeywell reported these vulnerabilities to CISA.

4. MITIGATIONS

Honeywell recommends users with potentially affected products take the following steps to protect themselves:

  • Update WIN-PAK to latest version, WIN-PAK 4.7.2 B1072.3.4, before applying the patch, which is available on the Honeywell Mywebtech portal.
  • As a best practice, Honeywell recommends users isolate systems from the Internet or create additional layers of defense to their system from the Internet by placing the affected hardware behind a firewall or into a DMZ.
  • If remote connections to the network are required, consider using a VPN or other means to ensure secure remote connections into the network where the device is located.

CISA recommends users take the following defensive measures to minimize the risk of exploitation 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 these vulnerabilities. High skill level is needed to exploit.


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

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