CVE-2023-22421

Published Mar 6, 2023

Last updated 2 years ago

Overview

Description: 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.
Source: vultures@jpcert.or.jp
NVD status: Analyzed

Risk scores

CVSS 3.1

Type: Primary
Base score: 7.8
Impact score: 5.9
Exploitability score: 1.8
Vector string: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Severity: HIGH

Weaknesses

nvd@nist.gov: CWE-125

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:jtekt:kostac_plc_programming_software:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "EB48346C-6A6C-409A-A3E4-7A4DDB835FB1",
            "versionEndIncluding": "1.6.9.0"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References