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IcscertCVELIST:CVE-2023-7242

HistoryMar 01, 2024 - 8:17 p.m.

CVE-2023-7242 Ethercat Zeek Plugin Out-of-bounds Read

2024-03-0120:17:51

CWE-125

icscert

www.cve.org

industrial control systems network protocol parsers

ethercat

zeek plugin

vulnerability

out-of-bounds read

memory leak

cve-2023-7242

8.2 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

8.2 High

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

17.1%

JSON

Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat
Zeek Plugin versions d78dda6 and prior are vulnerable to out-of-bounds
read during the process of analyzing a specific Ethercat packet. This
could allow an attacker to crash the Zeek process and leak some
information in memory.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Plugin for Zeek",
    "vendor": "CISA",
    "versions": [
      {
        "lessThanOrEqual": "d78dda6",
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ]
  }
]

References

www.cisa.gov/news-events/ics-advisories/icsa-24-051-02

8.2 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

8.2 High

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

17.1%

JSON

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