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AUSCERT External Security Bulletin Redistribution
ESB-2022.1707
Automated Logic WebCTRL
20 April 2022
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AusCERT Security Bulletin Summary
---------------------------------
Product: Automated Logic WebCTRL
Publisher: ICS-CERT
Operating System: Network Appliance
Resolution: Patch/Upgrade
CVE Names: CVE-2022-1019
Original Bulletin:
https://us-cert.cisa.gov/ics/advisories/icsa-22-109-02
Comment: CVSS (Max): 5.2 CVE-2022-1019 (CVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
CVSS Source: ICS-CERT
Calculator: https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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ICS Advisory (ICSA-22-109-02)
Automated Logic WebCTRL
Original release date: April 19, 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/ .
1. EXECUTIVE SUMMARY
o CVSS v3 5.2
o ATTENTION: Low attack complexity/exploitable remotely
o Vendor: Automated Logic is a part of Carrier Global Corporation
o Equipment: WebCtrl Server
o Vulnerability: Open Redirect
2. RISK EVALUATION
Successful exploitation of this vulnerability could allow an attacker to
redirect the user to a malicious webpage or to download a malicious file.
3. TECHNICAL DETAILS
3.1 AFFECTED PRODUCTS
Carrier reports this vulnerability affects the following Automated Logic
WebCtrl Server building automation software products:
o WebCtrl Server: All versions up to 7.0
3.2 VULNERABILITY OVERVIEW
3.2.1 OPEN REDIRECT CWE-601
WebCtrl Version 6.1 "Help" index pages are vulnerable to open redirection. If a
user visits a maliciously crafted URL, this vulnerability could allow an
attacker to redirect a user to a malicious webpage or download a malicious
file.
CVE-2022-1019 has been assigned to this vulnerability. A CVSS v3 base score of
5.2 has been calculated; the CVSS vector string is ( AV:A/AC:L/PR:N/UI:R/S:C/
C:L/I:L/A:N ).
3.3 BACKGROUND
o CRITICAL INFRASTRUCTURE SECTORS: Commercial Facilities
o COUNTRIES/AREAS DEPLOYED: Worldwide
o COMPANY HEADQUARTERS LOCATION: United States
3.4 RESEARCHER
Chizuru Toyama of TXOne IoT/ICS Security Research Labs, working with Trend
Micro's Zero Day Initiative, reported this vulnerability to CISA.
4. MITIGATIONS
Carrier recommends users contact an Automated Logic dealer for instructions to
download the latest version of WebCTRL.
Carrier also recommends the following manual workaround:
o An administrator can add the CSP header/meta tag to each "index.htm" file
in each of the directories under "<install_dir>/webroot/_common/lvl5/help/
*"
o Example would read: <meta http-equiv="Content-Security-Policy" content=
"default-src 'self'; img-src 'self' data:; font-src 'self' data:;
script-src 'self' 'unsafe-inline' 'unsafe-eval'; style-src 'self'
'unsafe-inline'">
Please see Carrier product security advisory CARR-PSA-001-1121 for more
information.
CISA recommends users take defensive measures to minimize the risk of
exploitation of this vulnerability. Specifically, users should take the
following measures to protect themselves from social engineering attacks:
o Do not click web links or open unsolicited attachments in email messages.
o Refer to Recognizing and Avoiding Email Scams for more information on
avoiding email scams.
o Refer to Avoiding Social Engineering and Phishing Attacks for more
information on 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 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.
For any questions related to this report, please contact the CISA at:
Email: CISAservicedesk@cisa.dhs.gov
Toll Free: 1-888-282-0870
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.
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