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AUSCERT External Security Bulletin Redistribution
ESB-2023.3891
ICS Advisory | ICSA-23-192-03 Panasonic Control FPWin Pro7
12 July 2023
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AusCERT Security Bulletin Summary
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Product: Panasonic Control FPWin Pro7
Publisher: ICS-CERT
Operating System: Network Appliance
Resolution: Patch/Upgrade
CVE Names: CVE-2023-28730 CVE-2023-28729 CVE-2023-28728
Original Bulletin:
https://www.cisa.gov/news-events/ics-advisories/icsa-23-192-03
Comment: CVSS (Max): 7.8 CVE-2023-28730 (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
CVSS Source: ICS-CERT
Calculator: https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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ICS Advisory (ICSA-23-192-03)
Panasonic Control FPWin Pro7
Release Date
July 11, 2023
1. EXECUTIVE SUMMARY
o CVSS v3 7.8
o ATTENTION: Low attack complexity
o Vendor: Panasonic
o Equipment: Control FPWIN Pro7
o Vulnerabilities: Type Confusion, Stack-based Buffer Overflow, Improper
Restriction of Operations within the Bounds of a Memory Buffer
2. RISK EVALUATION
Successful exploitation of these vulnerabilities could result in information
disclosure or remote code execution on affected installation.
3. TECHNICAL DETAILS
3.1 AFFECTED PRODUCTS
The following versions of Panasonic Control FPWIN, are affected:
o Control FPWIN: version 7.6.0.3 and all previous versions
3.2 VULNERABILITY OVERVIEW
3.2.1 STACK-BASED BUFFER OVERFLOW CWE-121
In Panasonic Control FPWIN versions 7.6.0.3 and prior, a stack-based buffer
overflow condition is a condition where the buffer being overwritten is
allocated on the stack (i.e., is a local variable or a parameter to a
function).
CVE-2023-28728 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:N/UI:R/S:U/
C:H/I:H/A:H ).
3.2.2 ACCESS OF RESOURCE USING INCOMPATIBLE TYPE (‘TYPE CONFUSION’) CWE-843
Panasonic Control FPWIN versions 7.6.0.3 and prior allocates or initializes a
resource such as a pointer, object, or variable using one type, but later
accesses that resource using a type that is incompatible with the original
type.
CVE-2023-28729 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:N/UI:R/S:U/
C:H/I:H/A:H ).
3.2.3 IMPROPER RESTRICTION OF OPERATIONS WITHIN THE BOUNDS OF A MEMORY BUFFER
CWE-119
Panasonic Control FPWIN performs operations on a memory buffer, but can read
from or write to a memory location that is outside of the intended boundary of
the buffer.
CVE-2023-28730 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:N/UI:R/S:U/
C:H/I:H/A:H ).
3.3 BACKGROUND
o CRITICAL INFRASTRUCTURE SECTORS: Commercial Facilities, Critical
Manufacturing, and Food and Agriculture
o COUNTRIES/AREAS DEPLOYED: Worldwide
o COMPANY HEADQUARTERS LOCATION: Japan
3.4 RESEARCHER
Michael Heinzl reported these vulnerabilities to Panasonic.
4. MITIGATIONS
Panasonic has released Control FPWIN Pro7 7.7.0.0 software to address these
vulnerabilities.
Panasonic recommends that users only install, use, and receive support for
software versions and feature sets for which they have purchased a license.
CISA recommends users take defensive measures to minimize the risk of
exploitation of these vulnerabilities. Specifically, users should:
o Locate control system networks and remote devices behind firewalls and
isolate them from business networks.
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 at cisa.gov/ics . Several CISA products detailing cyber
defense best 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 at cisa.gov/ics in the technical information paper,
ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation
Strategies .
Organizations observing suspected malicious activity should follow established
internal procedures and report 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 attachments in unsolicited 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 these vulnerabilities. These
vulnerabilities are not exploitable remotely.
This product is provided subject to this Notification and this Privacy & Use
policy.
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