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AUSCERT External Security Bulletin Redistribution
ESB-2021.0048
Advisory (icsa-21-005-02) Panasonic FPWIN Pro
6 January 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: Panasonic FPWIN Pro
Publisher: ICS-CERT
Operating System: Windows
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-16236
Original Bulletin:
https://us-cert.cisa.gov/ics/advisories/icsa-21-005-02
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ICS Advisory (ICSA-21-005-02)
Panasonic FPWIN Pro
Original release date: January 05, 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 7.3
o ATTENTION: Low skill level to exploit
o Vendor: Panasonic
o Equipment: FPWIN Pro
o Vulnerability: Out-of-bounds Read
2. RISK EVALUATION
Successful exploitation of this vulnerability could result in an out-of-bounds
read, which may allow remote code execution.
3. TECHNICAL DETAILS
3.1 AFFECTED PRODUCTS
The following versions of FPWIN Pro, a programming software for all FP Series
PLCs, are affected:
o FPWIN Pro Version 7.5.0.0 and prior
3.2 VULNERABILITY OVERVIEW
3.2.1 OUT-OF-BOUNDS READ CWE-125
The affected product is vulnerable to an out-of-bounds read vulnerability when
a user opens a maliciously crafted project file, which may allow an attacker to
remotely execute arbitrary code.
CVE-2020-16236 has been assigned to this vulnerability. A CVSS v3 base score of
7.3 has been calculated; the CVSS vector string is ( AV:L/AC:L/PR:N/UI:R/S:U/
C:L/I:H/A:H ).
3.3 BACKGROUND
o CRITICAL INFRASTRUCTURE SECTORS: Commercial Facilities, Critical
Manufacturing, Food and Agriculture
o COUNTRIES/AREAS DEPLOYED: Worldwide
o COMPANY HEADQUARTERS LOCATION: Japan
3.4 RESEARCHER
Francis Provencher {PRL} working with Trend Micro's Zero Day Initiative
reported this vulnerability to CISA.
4. MITIGATIONS
Panasonic has released FPWIN Pro 7.5.1.0 software to address the vulnerability
described in this advisory. The latest version of the software can be
downloaded from the Panasonic website .
For more information about these issues or other vulnerabilities in Panasonic
products, please contact the Panasonic Product Security Incident Response Team
.
CISA 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.
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.
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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