Published:2023/09/12  Last Updated:2023/09/12

JVNVU#95282683
Multiple vulnerabilities in JTEKT ELECTRONICS Kostac PLC Programming Software

Overview

Kostac PLC Programming Software provided by JTEKT ELECTRONICS CORPORATION contains multiple vulnerabilities.

Products Affected

  • Kostac PLC Programming Software (Former name: Koyo PLC Programming Software) Version 1.6.11.0 and earlier

Description

Kostac PLC Programming Software provided by JTEKT ELECTRONICS CORPORATION contains multiple vulnerabilities listed below.

  • Double free (CWE-415) - CVE-2023-41374
    CVSS v3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Base Score: 7.8
  • Use-after-free (CWE-416) - CVE-2023-41375
    CVSS v3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Base Score: 7.8

Impact

Arbitrary code may be executed by having a user open a specially crafted project file which was saved using Kostac PLC Programming Software Version 1.6.9.0 and earlier because the issue exists in parsing of KPP project files.

Solution

Update the software
Update Kostac PLC Programming Software to the latest version according to the information provided by the developer.
The developer released the following versions that contain fixes for these vulnerabilities.

  • Kostac PLC Programming Software Version 1.6.12.0 and above

The latest update can be obtained from the developer's website listed below.

Apply workaround
The developer states that Kostac PLC Programming Software Version 1.6.10.0 or later implements the function which prevents a project file alteration. Therefore, to mitigate the impact of these vulnerabilities, a project file which was saved using Kostac PLC Programming Software Version 1.6.9.0 and earlier needs to be saved again using Kostac PLC Programming Software Version 1.6.10.0 or later.

Vendor Status

Vendor Status Last Update Vendor Notes
JTEKT ELECTRONICS CORPORATION Vulnerable 2023/09/12 JTEKT ELECTRONICS CORPORATION website

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Credit

Michael Heinzl reported these vulnerabilities to JPCERT/CC.
JPCERT/CC coordinated with the developer.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2023-41374
CVE-2023-41375
JVN iPedia