CVE-2023-22421

Summary

Out-of-bounds read vulnerability exists in Kostac PLC Programming Software (Former name: Koyo PLC Programming Software) Version 1.6.9.0 and earlier. The insufficient buffer size for the PLC program instructions leads to out-of-bounds read. As a result, opening a specially crafted project file may lead to information disclosure and/or arbitrary code execution.

Affected Software

Weaknesses

• Out-of-bounds read

ADP Enrichment

CVE Program Container

Additional References

• https://www.electronics.jtekt.co.jp/en/topics/202303035258/
• https://www.electronics.jtekt.co.jp/jp/topics/2023030313639/
• https://jvn.jp/en/vu/JVNVU94966432/

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: total

References

• https://www.electronics.jtekt.co.jp/en/topics/202303035258/
• https://www.electronics.jtekt.co.jp/jp/topics/2023030313639/
• https://jvn.jp/en/vu/JVNVU94966432/

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