CVE-2023-7243

Published Mar 1, 2024

Last updated 8 months ago

CVSS critical 9.8

Overview

Description: Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Zeek Plugin versions d78dda6 and prior are vulnerable to out-of-bounds write while analyzing specific Ethercat datagrams. This could allow an attacker to cause arbitrary code execution.
Source: ics-cert@hq.dhs.gov
NVD status: Analyzed

Risk scores

CVSS 3.1

Type: Primary
Base score: 9.8
Impact score: 5.9
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: CRITICAL

Weaknesses

ics-cert@hq.dhs.gov: CWE-787

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:cisa:icsnpp-ethercat:*:*:*:*:*:zeek:*:*",
            "vulnerable": true,
            "matchCriteriaId": "D713D8FB-83DA-4BA8-87B2-CEB65DB5BBFE",
            "versionEndIncluding": "d78dda6"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References