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 v3.0 8.8 HIGH
CVSS v2.0 8.3 HIGH

8.8^/10

CVSS v3.0 : HIGH

V3 Legend

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

V2 Legend

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:*:*:*:*:*:*:*

Information

Published : 2020-11-05 13:15

Updated : 2023-02-12 15:40

NVD link : CVE-2020-25661

Mitre link : CVE-2020-25661

JSON object : View

CWE

CWE-843

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

Products Affected

redhat

enterprise_linux

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://access.redhat.com/security/cve/CVE-2020-12351", "name": "https://access.redhat.com/security/cve/CVE-2020-12351", "tags": ["Mitigation", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://access.redhat.com/security/vulnerabilities/BleedingTooth", "name": "https://access.redhat.com/security/vulnerabilities/BleedingTooth", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25661", "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-25661", "tags": ["Issue Tracking", "Mitigation", "Vendor Advisory"], "refsource": "CONFIRM"}]}, "data_format": "MITRE", "description": {"description_data": [{"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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-843"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2020-25661", "ASSIGNER": "secalert@redhat.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"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"}, "severity": "HIGH", "acInsufInfo": false, "impactScore": 10.0, "obtainAllPrivilege": false, "exploitabilityScore": 6.5, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"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}}, "publishedDate": "2020-11-05T21:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:redhat:enterprise_linux:8.3:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2023-02-12T23:40Z"}

8.8 /10