CVE-2021-35093 - Vulnerability Details - OpenCVE

Description

Possible memory corruption in BT controller when it receives an oversized LMP packet over 2-DH1 link and leads to denial of service in BlueCore

Published: 2022-01-03

Score: 6.5 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Qualcomm, Inc.

BlueCore

affected

Version	Status	Constraints
`CSR8510 A10, CSR8811 A12`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:qualcomm:csr8510_a10_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:qualcomm:csr8510_a10:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND

cpe:2.3:o:qualcomm:csr8811_a12_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:qualcomm:csr8811_a12:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-21737	Possible memory corruption in BT controller when it receives an oversized LMP packet over 2-DH1 link and leads to denial of service in BlueCore

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Adjacent Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00077.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://www.qualcomm.com/company/product-security/bulletins/december-2021-bulletin

History

No history.

Subscriptions

Qualcomm Csr8510 A10 Csr8510 A10 Firmware Csr8811 A12 Csr8811 A12 Firmware

MITRE

Status: PUBLISHED

Assigner: qualcomm

Published: 2022-01-03T07:26:14.000Z

Updated: 2024-08-04T00:33:51.165Z

Reserved: 2021-06-21T00:00:00.000Z

Link: CVE-2021-35093

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-01-03T08:15:09.147

Modified: 2024-11-21T06:11:52.410

Link: CVE-2021-35093

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-787

{"containers": {"cna": {"affected": [{"product": "BlueCore", "vendor": "Qualcomm, Inc.", "versions": [{"status": "affected", "version": "CSR8510 A10, CSR8811 A12"}]}], "descriptions": [{"lang": "en", "value": "Possible memory corruption in BT controller when it receives an oversized LMP packet over 2-DH1 link and leads to denial of service in BlueCore"}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "Memory Corruption in Bluetooth Controller Firmware", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-01-03T07:26:14.000Z", "orgId": "2cfc7d3e-20d3-47ac-8db7-1b7285aff15f", "shortName": "qualcomm"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.qualcomm.com/company/product-security/bulletins/december-2021-bulletin"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "product-security@qualcomm.com", "ID": "CVE-2021-35093", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "BlueCore", "version": {"version_data": [{"version_value": "CSR8510 A10, CSR8811 A12"}]}}]}, "vendor_name": "Qualcomm, Inc."}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Possible memory corruption in BT controller when it receives an oversized LMP packet over 2-DH1 link and leads to denial of service in BlueCore"}]}, "impact": {"cvss": {"baseScore": "6.5", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Memory Corruption in Bluetooth Controller Firmware"}]}]}, "references": {"reference_data": [{"name": "https://www.qualcomm.com/company/product-security/bulletins/december-2021-bulletin", "refsource": "CONFIRM", "url": "https://www.qualcomm.com/company/product-security/bulletins/december-2021-bulletin"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T00:33:51.165Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.qualcomm.com/company/product-security/bulletins/december-2021-bulletin"}]}]}, "cveMetadata": {"assignerOrgId": "2cfc7d3e-20d3-47ac-8db7-1b7285aff15f", "assignerShortName": "qualcomm", "cveId": "CVE-2021-35093", "datePublished": "2022-01-03T07:26:14.000Z", "dateReserved": "2021-06-21T00:00:00.000Z", "dateUpdated": "2024-08-04T00:33:51.165Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:qualcomm:csr8510_a10_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "488EC85E-079A-4C42-820C-E308C682F747", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:qualcomm:csr8510_a10:-:*:*:*:*:*:*:*", "matchCriteriaId": "9E578951-22C0-407D-B9BF-21493D697D14", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:qualcomm:csr8811_a12_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "5654C834-524B-4F94-AD12-4144FD9A91E5", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:qualcomm:csr8811_a12:-:*:*:*:*:*:*:*", "matchCriteriaId": "FCB4135E-BD64-409C-B9AB-F4F720142D4E", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "Possible memory corruption in BT controller when it receives an oversized LMP packet over 2-DH1 link and leads to denial of service in BlueCore"}, {"lang": "es", "value": "Una posible corrupci\u00f3n de memoria en el controlador BT cuando recibe un paquete LMP sobredimensionado a trav\u00e9s de un enlace 2-DH1 y conlleva a una denegaci\u00f3n de servicio en BlueCore"}], "id": "CVE-2021-35093", "lastModified": "2024-11-21T06:11:52.410", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 3.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 6.5, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "product-security@qualcomm.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-01-03T08:15:09.147", "references": [{"source": "product-security@qualcomm.com", "tags": ["Vendor Advisory"], "url": "https://www.qualcomm.com/company/product-security/bulletins/december-2021-bulletin"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.qualcomm.com/company/product-security/bulletins/december-2021-bulletin"}], "sourceIdentifier": "product-security@qualcomm.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}