CVE-2020-24490

Improper buffer restrictions in BlueZ may allow an unauthenticated user to potentially enable denial of service via adjacent access. This affects all Linux kernel versions that support BlueZ.

CVSS v3 6.5 MEDIUM
CVSS v2.0 3.3 LOW

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

3.3^/10

CVSS v2.0 : LOW

Vector : AV:A/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 6.5 / Impact : 2.9

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00435.html	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:bluez:bluez:-:*:*:*:*:*:*:*

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

No history.

Information

Published : 2021-02-02 22:15

Updated : 2024-02-04 21:23

NVD link : CVE-2020-24490

Mitre link : CVE-2020-24490

CVE.ORG link : CVE-2020-24490

JSON object : View

Products Affected

bluez

bluez

linux

linux_kernel

CWE

NVD-CWE-noinfo

{"id": "CVE-2020-24490", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 3.3, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 6.5, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2021-02-02T22:15:12.150", "references": [{"url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00435.html", "tags": ["Patch", "Vendor Advisory"], "source": "secure@intel.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "Improper buffer restrictions in BlueZ may allow an unauthenticated user to potentially enable denial of service via adjacent access. This affects all Linux kernel versions that support BlueZ."}, {"lang": "es", "value": "Unas restricciones de b\u00fafer inapropiadas en BlueZ pueden permitir a un usuario no autenticado habilitar potencialmente la denegaci\u00f3n de servicio por medio de un acceso adyacente. Esto afecta a todas las versiones del kernel de Linux que admiten BlueZ"}], "lastModified": "2021-07-21T11:39:23.747", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:bluez:bluez:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C5B75318-0A53-466E-B4B7-A8EA188C26F2"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "06AAC075-8124-46CF-A8F0-D9F19B5AD4CD", "versionEndExcluding": "4.19.137", "versionStartIncluding": "4.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "EFD91860-B023-4C95-BED5-8585DF37964C", "versionEndExcluding": "5.4.56", "versionStartIncluding": "4.20"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "D7B25FDD-8A33-4D09-B0C1-FD5F2E38F7F5", "versionEndExcluding": "5.7.13", "versionStartIncluding": "5.5.0"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "secure@intel.com"}