Vulnerability-Lookup

GSD-2023-38744

Vulnerability from gsd - Updated: 2023-12-13 01:20

Details

Denial-of-service (DoS) vulnerability due to improper validation of specified type of input issue exists in the built-in EtherNet/IP port of the CJ Series CJ2 CPU unit and the communication function of the CS/CJ Series EtherNet/IP unit. If an affected product receives a packet which is specially crafted by a remote unauthenticated attacker, the unit of the affected product may fall into a denial-of-service (DoS) condition. Affected products/versions are as follows: CJ2M CPU Unit CJ2M-CPU3[] Unit version of the built-in EtherNet/IP section Ver. 2.18 and earlier, CJ2H CPU Unit CJ2H-CPU6[]-EIP Unit version of the built-in EtherNet/IP section Ver. 3.04 and earlier, CS/CJ Series EtherNet/IP Unit CS1W-EIP21 V3.04 and earlier, and CS/CJ Series EtherNet/IP Unit CJ1W-EIP21 V3.04 and earlier.

Aliases

CVE-2023-38744

Aliases

CVE-2023-38744

JSON

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    "alias": "CVE-2023-38744",
    "id": "GSD-2023-38744"
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      "exploitCode": "unknown",
      "remediation": "unknown",
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CVE-2023-38744 (GCVE-0-2023-38744)

Vulnerability from cvelistv5 – Published: 2023-08-03 04:55 – Updated: 2024-10-17 15:17

Summary

Severity

No CVSS data available.

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-10-17 15:04 UTC

CWE

Denial-of-service (DoS)
CWE-1284 - Improper Validation of Specified Quantity in Input

Assigner

jpcert CNA under the jpcert root

CNA scorecard C 64/100 over 194 records in the last 180 days details

References

2 references

URL	Tags
https://www.ia.omron.com/product/vulnerability/OM…
https://jvn.jp/en/vu/JVNVU92193064/

Impacted products

7 products

Vendor	Product	Version
OMRON Corporation	CJ2M CPU Unit	Affected: CJ2M-CPU3[] Unit version of the built-in EtherNet/IP section Ver. 2.18 and earlier
OMRON Corporation	CJ2H CPU Unit	Affected: CJ2H-CPU6[]-EIP Unit version of the built-in EtherNet/IP section Ver. 3.04 and earlier
OMRON Corporation	CS/CJ Series EtherNet/IP Unit	Affected: CS1W-EIP21 V3.04 and earlier
OMRON Corporation	CS/CJ Series EtherNet/IP Unit	Affected: CJ1W-EIP21 V3.04 and earlier
omron	cj2m_cpu_unit	Affected: 0 , < 2.18 (custom) cpe:2.3:h:omron:cj2m_cpu_unit::::::::
omron	cj2h_cpu_unit	Affected: 0 , < 3.04 (custom) cpe:2.3:h:omron:cj2h_cpu_unit::::::::
omron	cs_cj_series_ethernet_ip_unit	Affected: 0 , < CS1W-EIP21 V3.04 (custom) Affected: 0 , < CJ1W-EIP21 V3.04 (custom) cpe:2.3:h:omron:cs_cj_series_ethernet_ip_unit::::::::

Show details on NVD website

JSON

To clipboard

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          "product": "CS/CJ Series EtherNet/IP Unit",
          "vendor": "OMRON Corporation",
          "versions": [
            {
              "status": "affected",
              "version": "CJ1W-EIP21 V3.04 and earlier"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Denial-of-service (DoS) vulnerability due to improper validation of specified type of input issue exists in the built-in EtherNet/IP port of the CJ Series CJ2 CPU unit and the communication function of the CS/CJ Series EtherNet/IP unit. If an affected product receives a packet which is specially crafted by a remote unauthenticated attacker, the unit of the affected product may fall into a denial-of-service (DoS) condition. Affected products/versions are as follows: CJ2M CPU Unit CJ2M-CPU3[] Unit version of the built-in EtherNet/IP section Ver. 2.18 and earlier, CJ2H CPU Unit CJ2H-CPU6[]-EIP Unit version of the built-in EtherNet/IP section Ver. 3.04 and earlier, CS/CJ Series EtherNet/IP Unit CS1W-EIP21 V3.04 and earlier, and CS/CJ Series EtherNet/IP Unit CJ1W-EIP21 V3.04 and earlier."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Denial-of-service (DoS)",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-08-03T04:55:52.423Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://www.ia.omron.com/product/vulnerability/OMSR-2023-006_en.pdf"
        },
        {
          "url": "https://jvn.jp/en/vu/JVNVU92193064/"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2023-38744",
    "datePublished": "2023-08-03T04:55:52.423Z",
    "dateReserved": "2023-07-25T03:05:55.191Z",
    "dateUpdated": "2024-10-17T15:17:34.756Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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