Vulnerability-Lookup

FKIE_CVE-2023-6387

Vulnerability from fkie_nvd - Published: 2024-02-02 16:15 - Updated: 2026-06-17 06:50

Severity

7.5 (High) - CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5 (High) - CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

A potential buffer overflow exists in the Bluetooth LE HCI CPC sample application in the Gecko SDK which may result in a denial of service or remote code execution

References

URL	Tags
product-security@silabs.com	https://community.silabs.com/069Vm000000WNKuIAO	Permissions Required
product-security@silabs.com	https://github.com/SiliconLabs/gecko_sdk/releases/tag/v4.4.0	Release Notes
af854a3a-2127-422b-91ae-364da2661108	https://community.silabs.com/069Vm000000WNKuIAO	Permissions Required
af854a3a-2127-422b-91ae-364da2661108	https://github.com/SiliconLabs/gecko_sdk/releases/tag/v4.4.0	Release Notes

Impacted products

	Vendor	Product	Version
	silabs	gecko_software_development_kit	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "affected",
          "product": "GSDK",
          "vendor": "silabs.com",
          "versions": [
            {
              "lessThan": "4.4.0",
              "status": "affected",
              "version": "1.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "product-security@silabs.com"
    }
  ],
  "configurations": [
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              "matchCriteriaId": "622923FE-6895-4AC7-B0D5-CA7A7764E91B",
              "versionEndExcluding": "4.4.0",
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    },
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      "lang": "es",
      "value": "Existe un posible desbordamiento del b\u00fafer en la aplicaci\u00f3n de muestra Bluetooth LE HCI CPC en el SDK de Gecko, lo que puede provocar una denegaci\u00f3n de servicio o la ejecuci\u00f3n remota de c\u00f3digo."
    }
  ],
  "id": "CVE-2023-6387",
  "lastModified": "2026-06-17T06:50:39.830",
  "metrics": {
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        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "ADJACENT_NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
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        "impactScore": 5.9,
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  "vulnStatus": "Modified",
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      "source": "product-security@silabs.com",
      "type": "Secondary"
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    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-131"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2023-6387 (GCVE-0-2023-6387)

Vulnerability from cvelistv5 – Published: 2024-02-02 15:18 – Updated: 2025-05-15 19:50

Title

Incorrect buffer parsing in Bluetooth LE sample code may lead to buffer overflow

Summary

A potential buffer overflow exists in the Bluetooth LE HCI CPC sample application in the Gecko SDK which may result in a denial of service or remote code execution

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-05-08 15:46 UTC

CWE

CWE-787 - Out-of-bounds Write
CWE-125 - Out-of-bounds Read

Assigner

Silabs mitre root

References

2 references

URL	Tags
https://github.com/SiliconLabs/gecko_sdk/releases…
https://community.silabs.com/069Vm000000WNKuIAO

Impacted products

1 product

Vendor	Product	Version
silabs.com	GSDK	Affected: 1.0 , < 4.4.0 (semver)

Show details on NVD website

JSON

To clipboard

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        "metrics": [
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          "versions": [
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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.

Detection rules are retrieved from Rulezet.

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.