Vulnerability-Lookup

JVNDB-2024-001804

Vulnerability from jvndb - Published: 2024-02-06 06:02 - Updated:2024-03-11 08:32

Severity

8.8 (High) - cvssV3_0 - CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

Multiple buffer overflow vulnerabilities in HOME SPOT CUBE2

Details

HOME SPOT CUBE2 provided by KDDI CORPORATION contains multiple vulnerabilities listed below. * Stack-based buffer overflow (CWE-121) - CVE-2024-21780 * Heap-based buffer overflow (CWE-122) - CVE-2024-23978 Chuya Hayakawa of 00One, Inc. reported these vulnerabilities to JPCERT/CC. JPCERT/CC coordinated with the developer.

References

Type

URL

	JVN	https://jvn.jp/en/vu/JVNVU93740658/index.html
	CVE	https://www.cve.org/CVERecord?id=CVE-2024-21780
	CVE	https://www.cve.org/CVERecord?id=CVE-2024-23978
	NVD	https://nvd.nist.gov/vuln/detail/CVE-2024-21780
	NVD	https://nvd.nist.gov/vuln/detail/CVE-2024-23978
	Stack-based Buffer Overflow(CWE-121)	https://cwe.mitre.org/data/definitions/121.html
	Heap-based Buffer Overflow(CWE-122)	https://cwe.mitre.org/data/definitions/122.html

Impacted products

Vendor

Product

KDDI

HOME SPOT CUBE2 firmware

Show details on JVN DB website

JSON

To clipboard

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2024/JVNDB-2024-001804.html",
  "dc:date": "2024-03-11T17:32+09:00",
  "dcterms:issued": "2024-02-06T15:02+09:00",
  "dcterms:modified": "2024-03-11T17:32+09:00",
  "description": "HOME SPOT CUBE2 provided by KDDI CORPORATION contains multiple vulnerabilities listed below.\r\n\r\n  * Stack-based buffer overflow (CWE-121) - CVE-2024-21780\r\n  * Heap-based buffer overflow (CWE-122) - CVE-2024-23978\r\n\r\nChuya Hayakawa of 00One, Inc. reported these vulnerabilities to JPCERT/CC.\r\nJPCERT/CC coordinated with the developer.",
  "link": "https://jvndb.jvn.jp/en/contents/2024/JVNDB-2024-001804.html",
  "sec:cpe": {
    "#text": "cpe:/o:kddi:home_spot_cube_2_firmware",
    "@product": "HOME SPOT CUBE2 firmware",
    "@vendor": "KDDI",
    "@version": "2.2"
  },
  "sec:cvss": {
    "@score": "8.8",
    "@severity": "High",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2024-001804",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/vu/JVNVU93740658/index.html",
      "@id": "JVNVU#93740658",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2024-21780",
      "@id": "CVE-2024-21780",
      "@source": "CVE"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2024-23978",
      "@id": "CVE-2024-23978",
      "@source": "CVE"
    },
    {
      "#text": "https://nvd.nist.gov/vuln/detail/CVE-2024-21780",
      "@id": "CVE-2024-21780",
      "@source": "NVD"
    },
    {
      "#text": "https://nvd.nist.gov/vuln/detail/CVE-2024-23978",
      "@id": "CVE-2024-23978",
      "@source": "NVD"
    },
    {
      "#text": "https://cwe.mitre.org/data/definitions/121.html",
      "@id": "CWE-121",
      "@title": "Stack-based Buffer Overflow(CWE-121)"
    },
    {
      "#text": "https://cwe.mitre.org/data/definitions/122.html",
      "@id": "CWE-122",
      "@title": "Heap-based Buffer Overflow(CWE-122)"
    }
  ],
  "title": "Multiple buffer overflow vulnerabilities in HOME SPOT CUBE2"
}

CVE-2024-21780 (GCVE-0-2024-21780)

Vulnerability from cvelistv5 – Published: 2024-02-02 06:38 – Updated: 2025-06-16 18:27 Unsupported When Assigned

Summary

Stack-based buffer overflow vulnerability exists in HOME SPOT CUBE2 V102 and earlier. Processing a specially crafted command may result in a denial of service (DoS) condition. Note that the affected products are no longer supported.

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-02-21 19:27 UTC

CWE

Stack-based buffer overflow
CWE-787 - Out-of-bounds Write

Assigner

jpcert jpcert root

References

2 references

URL	Tags
https://www.au.com/support/service/mobile/guide/w…
https://jvn.jp/en/vu/JVNVU93740658/

Impacted products

1 product

Vendor	Product	Version
KDDI CORPORATION	HOME SPOT CUBE2	Affected: V102 and earlier

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2024-21780",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-02-21T19:27:01.282836Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-787",
                "description": "CWE-787 Out-of-bounds Write",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-06-16T18:27:12.694Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-01T22:27:36.287Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.au.com/support/service/mobile/guide/wlan/home_spot_cube_2/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://jvn.jp/en/vu/JVNVU93740658/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "HOME SPOT CUBE2",
          "vendor": "KDDI CORPORATION",
          "versions": [
            {
              "status": "affected",
              "version": "V102 and earlier"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Stack-based buffer overflow vulnerability exists in HOME SPOT CUBE2 V102 and earlier. Processing a specially crafted command may result in a denial of service (DoS) condition. Note that the affected products are no longer supported."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Stack-based buffer overflow",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-02-02T06:38:19.377Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://www.au.com/support/service/mobile/guide/wlan/home_spot_cube_2/"
        },
        {
          "url": "https://jvn.jp/en/vu/JVNVU93740658/"
        }
      ],
      "tags": [
        "unsupported-when-assigned"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2024-21780",
    "datePublished": "2024-02-02T06:38:19.377Z",
    "dateReserved": "2024-01-25T01:46:39.865Z",
    "dateUpdated": "2025-06-16T18:27:12.694Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

CVE-2024-23978 (GCVE-0-2024-23978)

Vulnerability from cvelistv5 – Published: 2024-02-02 06:38 – Updated: 2025-05-15 19:50 Unsupported When Assigned

Summary

Heap-based buffer overflow vulnerability exists in HOME SPOT CUBE2 V102 and earlier. By processing invalid values, arbitrary code may be executed. Note that the affected products are no longer supported.

Severity

9.8 (Critical)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-05-09 23:33 UTC

CWE

Heap-based buffer overflow
CWE-787 - Out-of-bounds Write

Assigner

jpcert jpcert root

References

2 references

URL	Tags
https://www.au.com/support/service/mobile/guide/w…
https://jvn.jp/en/vu/JVNVU93740658/

Impacted products

1 product

Vendor	Product	Version
KDDI CORPORATION	HOME SPOT CUBE2	Affected: V102 and earlier

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-01T23:13:08.702Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.au.com/support/service/mobile/guide/wlan/home_spot_cube_2/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://jvn.jp/en/vu/JVNVU93740658/"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 9.8,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2024-23978",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-09T23:33:59.064031Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-787",
                "description": "CWE-787 Out-of-bounds Write",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-05-15T19:50:24.669Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "HOME SPOT CUBE2",
          "vendor": "KDDI CORPORATION",
          "versions": [
            {
              "status": "affected",
              "version": "V102 and earlier"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Heap-based buffer overflow vulnerability exists in HOME SPOT CUBE2 V102 and earlier. By processing invalid values, arbitrary code may be executed. Note that the affected products are no longer supported."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Heap-based buffer overflow",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-02-02T06:38:33.253Z",
        "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "shortName": "jpcert"
      },
      "references": [
        {
          "url": "https://www.au.com/support/service/mobile/guide/wlan/home_spot_cube_2/"
        },
        {
          "url": "https://jvn.jp/en/vu/JVNVU93740658/"
        }
      ],
      "tags": [
        "unsupported-when-assigned"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
    "assignerShortName": "jpcert",
    "cveId": "CVE-2024-23978",
    "datePublished": "2024-02-02T06:38:33.253Z",
    "dateReserved": "2024-01-25T01:46:40.762Z",
    "dateUpdated": "2025-05-15T19:50:24.669Z",
    "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.

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.

Action not permitted

JVNDB-2024-001804

CVE-2024-21780 (GCVE-0-2024-21780)

CVE-2024-23978 (GCVE-0-2024-23978)

Tags

Sightings

Nomenclature

Related by attack behaviour