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IcscertCVE-2023-7242

HistoryMar 01, 2024 - 9:15 p.m.

CVE-2023-7242

2024-03-0121:15:07

CWE-125

icscert

web.nvd.nist.gov

icsnpp

ethercat

zeek plugin

vulnerability

out-of-bounds read

network protocol parsers

cve-2023-7242

CVSS3

8.2

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

AI Score

Confidence

High

EPSS

0.001

Percentile

17.0%

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.

Affected configurations

Nvd

Node

cisaicsnpp-ethercatRange≤d78dda6zeek

VendorProductVersionCPE
cisaicsnpp-ethercat*cpe:2.3:a:cisa:icsnpp-ethercat:*:*:*:*:*:zeek:*:*

Vendor	Product	Version	CPE
cisa	icsnpp-ethercat	*	cpe:2.3:a:cisa:icsnpp-ethercat::::::zeek::*

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

Social References

CVSS3

8.2

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

AI Score

Confidence

High

EPSS

0.001

Percentile

17.0%

JSON

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