JTEKT ELECTRONICS Screen Creator Advance 2

1. EXECUTIVE SUMMARY

• CVSS v3 7.8 
• ATTENTION: Low attack complexity  
• Vendor: JTEKT ELECTRONICS CORPORATION 
• Equipment: Screen Creator Advance 2 
• Vulnerabilities: Out-of-bounds Read, Out-of-bounds Write, Use After Free 

2. RISK EVALUATION

Successful exploitation of these vulnerabilities could allow an attacker to disclose information or execute arbitrary code.  

3. TECHNICAL DETAILS

3.1 AFFECTED PRODUCTS

The following versions of JTEKT ELECTRONICS Screen Creator Advance 2, a software program, are affected: 

• JTEKT ELECTRONICS Screen Creator Advance 2: Ver0.1.1.4 Build01 

3.2 VULNERABILITY OVERVIEW

3.2.1 OUT-OF-BOUNDS WRITE CWE-787 

When an out-of-specification error is detected, an out-of-bounds write may occur because there is no error handling process.

CVE-2023-22345 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 OUT-OF-BOUNDS READ CWE-125 

An out-of-bounds read may occur when processing template information because the end of data cannot be verified. 

CVE-2023-22346 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 OUT-OF-BOUNDS READ CWE-125 

An Out-of-bounds read may occur when processing file structure information because the end of data cannot be verified. 

CVE-2023-22347 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). 

3.2.4 OUT-OF-BOUNDS READ CWE-125 

An out-of-bounds read may occur when processing screen management information because the end of data cannot be verified. 

CVE-2023-22349 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). 

3.2.5 OUT-OF-BOUNDS READ CWE-125 

An out-of-bounds read may occur when processing parts management information because the end of data cannot be verified. 

CVE-2023-22350 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). 

3.2.6 OUT-OF-BOUNDS READ CWE-125 

An out-of-bounds read may occur when processing control management information because the end of data cannot be verified. 

CVE-2023-22353 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). 

3.2.7 USE AFTER FREE CWE-416 

When an error is detected, an out-of-bounds write may occur because there is no error handling process. 

CVE-2023-22360 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

• CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing  
• COUNTRIES/AREAS DEPLOYED: Worldwide 
• COMPANY HEADQUARTERS LOCATION: Japan 

3.4 RESEARCHER

Michael Heinzl reported these vulnerabilities to JPCERT/CC. 

4. MITIGATIONS

JTEKT ELECTRONICS recommends users to download the following updates: 

• Ver.0.1.1.4 Build01A and above 

For more information, see JTEKT ELECTRONICS’ Update Notice. 

CISA recommends users take the following measures to protect themselves from social engineering attacks: 

• Do not click web links or open attachments in unsolicited email messages. 
• Refer to Recognizing and Avoiding Email Scams for more information on avoiding email scams. 
• 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 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.

No known public exploits specifically target these vulnerabilities. These vulnerabilities are not exploitable remotely.