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IcscertVULNRICHMENT:CVE-2023-7244

HistoryMar 01, 2024 - 8:14 p.m.

CVE-2023-7244 Ethercat Zeek Plugin Out-of-bounds Write

2024-03-0120:14:27

CWE-787

icscert

github.com

cve-2023-7244

ethercat

zeek plugin

out-of-bounds write

industrial control systems network protocol parsers

arbitrary code execution

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.3

Confidence

High

SSVC

Exploitation

none

Automatable

yes

Technical Impact

total

JSON

Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat
Zeek Plugin versions d78dda6 and prior are vulnerable to out-of-bounds
write in their primary analyses function for Ethercat communication
packets. This could allow an attacker to cause arbitrary code execution.

ADP Affected

[
  {
    "cpes": [
      "cpe:2.3:a:cisa:icsnpp-ethercat:*:*:*:*:*:zeek:*:*"
    ],
    "vendor": "cisa",
    "product": "icsnpp-ethercat",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "custom",
        "lessThanOrEqual": "d78dda6"
      }
    ],
    "defaultStatus": "unknown"
  }
]

References

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

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

7.3

Confidence

High

SSVC

Exploitation

none

Automatable

yes

Technical Impact

total

JSON

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