Vulnerability-Lookup

VAR-202102-0138

Vulnerability from variot - Updated: 2025-01-30 22:43

An issue was discovered on TK-Star Q90 Junior GPS horloge 3.1042.9.8656 devices. It performs actions based on certain SMS commands. This can be used to set up a voice communication channel from the watch to any telephone number, initiated by sending a specific SMS and using the default password, e.g., pw,,call, triggers an outbound call from the watch. The password is sometimes available because of CVE-2019-20471. TK-Star Q90 Junior GPS horloge The device contains a vulnerability in initializing resources to insecure default values.Information may be obtained. When using the device at initial setup, a default password is used (123456) for administrative purposes.

[VulnerabilityType Other] Remote audio connection without explicit approval

[Vendor of Product] TK-star

[Affected Product Code Base] TK-Star Q90 Junior GPS horloge - 3.1042.9.8656

[Affected Component] Smartwatch

[Attack Type] Remote

[Impact Code execution] true

[Impact Information Disclosure] true

[Attack Vectors] An attacker needs to send an SMS to the device's mobile number. Knowledge of the mobile number is required before this vulnerability can be exploited.

[Has vendor confirmed or acknowledged the vulnerability?] true

[Discoverer] Dennis van Warmerdam, Jasper Nota, Jim Blankendaal

[Reference] https://www.tk-star.com

Use CVE-2019-20470

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CVE-2019-20470 (GCVE-0-2019-20470)

Vulnerability from cvelistv5 – Published: 2021-02-01 20:03 – Updated: 2024-08-05 02:39

Summary

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-07-30 14:42 UTC

CWE

n/a
CWE-284 - Improper Access Control

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2350 records in the last 180 days details

References

3 references

URL	Tags
https://www.tk-star.com
https://www.eurofins-cybersecurity.com/news/conne…
http://seclists.org/fulldisclosure/2024/Jul/14	mailing-list

Impacted products

1 product

Vendor	Product	Version
tk-star	q90_junior_gps_horloge_firmware	Affected: 3.1042.9.8656 cpe:2.3:o:tk-star:q90_junior_gps_horloge_firmware:3.1042.9.8656:::::::*

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{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:o:tk-star:q90_junior_gps_horloge_firmware:3.1042.9.8656:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "q90_junior_gps_horloge_firmware",
            "vendor": "tk-star",
            "versions": [
              {
                "status": "affected",
                "version": "3.1042.9.8656"
              }
            ]
          }
        ],
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2019-20470",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-07-30T14:42:57.466926Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-284",
                "description": "CWE-284 Improper Access Control",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-07-30T15:38:37.379Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T02:39:10.089Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.tk-star.com"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.eurofins-cybersecurity.com/news/connected-devices-smart-watches/"
          },
          {
            "name": "20240729 Bunch of IoT CVEs",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "http://seclists.org/fulldisclosure/2024/Jul/14"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "An issue was discovered on TK-Star Q90 Junior GPS horloge 3.1042.9.8656 devices. It performs actions based on certain SMS commands. This can be used to set up a voice communication channel from the watch to any telephone number, initiated by sending a specific SMS and using the default password, e.g., pw,\u003cpassword\u003e,call,\u003cmobile_number\u003e triggers an outbound call from the watch. The password is sometimes available because of CVE-2019-20471."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-07-30T00:07:34.081Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://www.tk-star.com"
        },
        {
          "url": "https://www.eurofins-cybersecurity.com/news/connected-devices-smart-watches/"
        },
        {
          "name": "20240729 Bunch of IoT CVEs",
          "tags": [
            "mailing-list"
          ],
          "url": "http://seclists.org/fulldisclosure/2024/Jul/14"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2019-20470",
    "datePublished": "2021-02-01T20:03:48.000Z",
    "dateReserved": "2020-02-17T00:00:00.000Z",
    "dateUpdated": "2024-08-05T02:39:10.089Z",
    "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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