PT-2023-18487 · Unknown · Kostac Plc Programming

Michael Heinzl · Published 2023-03-05 · Updated 2025-03-07 · CVE-2023-22421

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Kostac PLC Programming Software versions 1.6.9.0 and earlier

Description An out-of-bounds read issue exists due to insufficient buffer size for PLC program instructions, potentially leading to information disclosure and/or arbitrary code execution when opening a specially crafted project file.

Recommendations For versions 1.6.9.0 and earlier, consider avoiding the use of specially crafted project files until a patch is available. As a temporary workaround, restrict access to project files from untrusted sources to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2023-22421

Affected Products

Kostac Plc Programming

References · 8

• https://electronics.jtekt.co.jp/en/topics/202303035258 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-22421 · Security Note
• https://osv.dev/vulnerability/CVE-2023-22421 · Vendor Advisory
• https://electronics.jtekt.co.jp/jp/topics/2023030313639 · Vendor Advisory
• https://t.me/cibsecurity/59442 · Telegram Post
• https://t.me/cvenotify/45556 · Telegram Post
• https://t.me/cvenotify/113894 · Telegram Post
• https://jvn.jp/en/vu/JVNVU94966432 · Note