CVE-2020-25661

A Red Hat only CVE-2020-12351 regression issue was found in the way the Linux kernel's Bluetooth implementation handled L2CAP packets with A2MP CID. This flaw allows a remote attacker in an adjacent range to crash the system, causing a denial of service or potentially executing arbitrary code on the system by sending a specially crafted L2CAP packet. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

CVSS v3 8.8 HIGH
CVSS v2.0 8.3 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

8.3^/10

CVSS v2.0 : HIGH

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

Exploitability : 6.5 / Impact : 10.0

Access Vector ADJACENT_NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://access.redhat.com/security/cve/CVE-2020-12351	Mitigation Vendor Advisory
https://access.redhat.com/security/vulnerabilities/BleedingTooth	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25661	Issue Tracking Mitigation Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:redhat:enterprise_linux:8.3:*:*:*:*:*:*:*

History

No history.

Information

Published : 2020-11-05 21:15

Updated : 2024-02-28 18:08

NVD link : CVE-2020-25661

Mitre link : CVE-2020-25661

CVE.ORG link : CVE-2020-25661

JSON object : View

Products Affected

redhat

enterprise_linux

CWE

CWE-843

Access of Resource Using Incompatible Type ('Type Confusion')

{"id": "CVE-2020-25661", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 8.3, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "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": 8.8, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}, {"type": "Secondary", "source": "secalert@redhat.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.6}]}, "published": "2020-11-05T21:15:12.627", "references": [{"url": "https://access.redhat.com/security/cve/CVE-2020-12351", "tags": ["Mitigation", "Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/security/vulnerabilities/BleedingTooth", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25661", "tags": ["Issue Tracking", "Mitigation", "Vendor Advisory"], "source": "secalert@redhat.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-843"}]}, {"type": "Secondary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-843"}]}], "descriptions": [{"lang": "en", "value": "A Red Hat only CVE-2020-12351 regression issue was found in the way the Linux kernel's Bluetooth implementation handled L2CAP packets with A2MP CID. This flaw allows a remote attacker in an adjacent range to crash the system, causing a denial of service or potentially executing arbitrary code on the system by sending a specially crafted L2CAP packet. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability."}, {"lang": "es", "value": "Se encontr\u00f3 un problema de regresi\u00f3n CVE-2020-12351 solo de Red Hat en la manera en que la implementaci\u00f3n de Bluetooth del kernel de Linux manejaba los paquetes L2CAP con A2MP CID. Este fallo permite a un atacante remoto en un rango adyacente bloquear el sistema, causando una denegaci\u00f3n de servicio o ejecutando potencialmente c\u00f3digo arbitrario en el sistema mediante el env\u00edo de un paquete L2CAP especialmente dise\u00f1ado. La mayor amenaza de esta vulnerabilidad es la confidencialidad, la integridad y la disponibilidad del sistema"}], "lastModified": "2023-02-12T23:40:35.860", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "28B0C0F5-6ABD-4494-8824-1BEE665E16FE"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}