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AUSCERT External Security Bulletin Redistribution
ESB-2021.2047
Advisory (icsa-21-159-03) AVEVA InTouch
9 June 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: AVEVA InTouch
Publisher: ICS-CERT
Operating System: Network Appliance
Impact/Access: Access Privileged Data -- Existing Account
Reduced Security -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-32942
Original Bulletin:
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-03
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ICS Advisory (ICSA-21-159-03)
AVEVA InTouch
Original release date: June 08, 2021
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 6.6
o ATTENTION: Low attack complexity
o Vendor: AVEVA Software, LLC
o Equipment: InTouch 2020 R2 and all prior versions
o Vulnerability: Clear Text Storage of Sensitive Information in Memory
2. RISK EVALUATION
Successful exploitation of this vulnerability could expose cleartext
credentials from InTouch Runtime.
3. TECHNICAL DETAILS
3.1 AFFECTED PRODUCTS
AVEVA reports the vulnerability affects the following InTouch products:
o InTouch 2020 R2 and all prior versions
3.2 VULNERABILITY OVERVIEW
3.2.1 CLEARTEXT STORAGE OF SENSITIVE INFORMATION IN MEMORY CWE-316
The vulnerability could expose cleartext credentials from InTouch Runtime
(WindowViewer) if an authorized, privileged user creates a diagnostic memory
dump of the process and saves it to a non-protected location.
CVE-2021-32942 has been assigned to this vulnerability. A CVSS v3 base score of
6.6 has been calculated; the CVSS vector string is ( AV:L/AC:L/PR:L/UI:R/S:U/
C:H/I:H/A:N ).
3.3 BACKGROUND
o CRITICAL INFRASTRUCTURE SECTORS: Chemical, Critical Manufacturing, Energy,
Food and Agriculture, and Water and Wastewater
o COUNTRIES/AREAS DEPLOYED: Worldwide
o COMPANY HEADQUARTERS LOCATION: United Kingdom
3.4 RESEARCHER
Ilya Karpov, Evgeniy Druzhinin, and Konstantin Kondratev of Rostelecom-Solar
reported this vulnerability to AVEVA.
4. MITIGATIONS
AVEVA recommends organizations evaluate the impact of this vulnerability based
on their operational environment, architecture, and product implementation.
Users of InTouch 2020 R2 and all prior versions are affected and should first
upgrade to one of the versions listed below, then apply the corresponding
security update:
o InTouch 2020 R2: Update to InTouch 2020 R2 P01
o InTouch 2020: Update to Security Update 1216934
o InTouch 2017 U3 SP1 P01: Update to Security Update 1216933
Please see security bulletin AVEVA-2021-001 for more information.
CISA recommends users take defensive measures to minimize the risk of
exploitation of this vulnerability. Specifically, users should:
o Ensure the least-privilege user principle is followed
o Minimize network exposure for all control system devices and/or systems,
and ensure that they are not accessible from the Internet .
o Locate control system networks and remote devices behind firewalls, and
isolate them from the business network.
o 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 us-cert.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 us-cert.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.
CISA also recommends users 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.
No known public exploits specifically target this vulnerability. This
vulnerability is not exploitable remotely
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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Australian Computer Emergency Response Team
The University of Queensland
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