CVE-2021-32537 - Vulnerability Details - OpenCVE

Description

Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a special string to the kernel driver in a user’s mode. Due to unexpected commands, the kernel driver will cause the system crashed.

Published: 2021-07-07

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

Realtek

HDA driver

affected

Version	Status	Constraints
`8155`	affected	≤ 9150

Configuration 1 [-]

cpe:2.3:a:realtek:hda_driver:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

Vendor Solution

Update Realtek HDA driver version to 9152

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-19383	Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a special string to the kernel driver in a user’s mode. Due to unexpected commands, the kernel driver will cause the system crashed.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.00247.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://packetstormsecurity.com/files/163498/Realtek-RTKVHD64.sys-Out-Of-Bounds-Access.html
https://www.twcert.org.tw/tw/cp-132-4813-7b578-1.html

History

No history.

Subscriptions

Realtek Hda Driver

MITRE

Status: PUBLISHED

Assigner: twcert

Published: 2021-07-07T14:12:27.033Z

Updated: 2024-09-17T00:50:35.243Z

Reserved: 2021-05-10T00:00:00.000Z

Link: CVE-2021-32537

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-07-07T14:15:12.170

Modified: 2024-11-21T06:07:13.417

Link: CVE-2021-32537

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-119

{"containers": {"cna": {"affected": [{"product": "HDA driver", "vendor": "Realtek", "versions": [{"lessThanOrEqual": "9150", "status": "affected", "version": "8155", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Realtek"}], "datePublic": "2021-06-21T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a special string to the kernel driver in a user\u2019s mode. Due to unexpected commands, the kernel driver will cause the system crashed."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "None", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-07-16T15:20:33.000Z", "orgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e", "shortName": "twcert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.twcert.org.tw/tw/cp-132-4813-7b578-1.html"}, {"tags": ["x_refsource_MISC"], "url": "http://packetstormsecurity.com/files/163498/Realtek-RTKVHD64.sys-Out-Of-Bounds-Access.html"}], "solutions": [{"lang": "en", "value": "Update Realtek HDA driver version to 9152"}], "source": {"advisory": "TVN-202106002", "discovery": "EXTERNAL"}, "title": "Realtek High definition audio Windows driver crashed", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"AKA": "TWCERT/CC", "ASSIGNER": "cve@cert.org.tw", "DATE_PUBLIC": "2021-06-21T07:11:00.000Z", "ID": "CVE-2021-32537", "STATE": "PUBLIC", "TITLE": "Realtek High definition audio Windows driver crashed"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "HDA driver", "version": {"version_data": [{"version_affected": "<=", "version_name": "8155", "version_value": "9150"}]}}]}, "vendor_name": "Realtek"}]}}, "credit": [{"lang": "eng", "value": "Realtek"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a special string to the kernel driver in a user\u2019s mode. Due to unexpected commands, the kernel driver will cause the system crashed."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "None"}]}]}, "references": {"reference_data": [{"name": "https://www.twcert.org.tw/tw/cp-132-4813-7b578-1.html", "refsource": "MISC", "url": "https://www.twcert.org.tw/tw/cp-132-4813-7b578-1.html"}, {"name": "http://packetstormsecurity.com/files/163498/Realtek-RTKVHD64.sys-Out-Of-Bounds-Access.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/163498/Realtek-RTKVHD64.sys-Out-Of-Bounds-Access.html"}]}, "solution": [{"lang": "en", "value": "Update Realtek HDA driver version to 9152"}], "source": {"advisory": "TVN-202106002", "discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T23:25:30.330Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.twcert.org.tw/tw/cp-132-4813-7b578-1.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://packetstormsecurity.com/files/163498/Realtek-RTKVHD64.sys-Out-Of-Bounds-Access.html"}]}]}, "cveMetadata": {"assignerOrgId": "cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e", "assignerShortName": "twcert", "cveId": "CVE-2021-32537", "datePublished": "2021-07-07T14:12:27.033Z", "dateReserved": "2021-05-10T00:00:00.000Z", "dateUpdated": "2024-09-17T00:50:35.243Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:realtek:hda_driver:*:*:*:*:*:*:*:*", "matchCriteriaId": "2113F11E-F789-4038-91A8-7D4DEBAB958C", "versionEndIncluding": "9150", "versionStartIncluding": "8155", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a special string to the kernel driver in a user\u2019s mode. Due to unexpected commands, the kernel driver will cause the system crashed."}, {"lang": "es", "value": "Realtek HAD contiene una vulnerabilidad de bloqueo del controlador que permite a los atacantes del lado local enviar una cadena especial al controlador del kernel en un modo de usuario. Debido a los comandos inesperados, el controlador del kernel har\u00e1 que el sistema se bloquee"}], "id": "CVE-2021-32537", "lastModified": "2024-11-21T06:07:13.417", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 4.9, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.0, "impactScore": 4.0, "source": "twcert@cert.org.tw", "type": "Secondary"}]}, "published": "2021-07-07T14:15:12.170", "references": [{"source": "twcert@cert.org.tw", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/163498/Realtek-RTKVHD64.sys-Out-Of-Bounds-Access.html"}, {"source": "twcert@cert.org.tw", "tags": ["Third Party Advisory"], "url": "https://www.twcert.org.tw/tw/cp-132-4813-7b578-1.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/163498/Realtek-RTKVHD64.sys-Out-Of-Bounds-Access.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.twcert.org.tw/tw/cp-132-4813-7b578-1.html"}], "sourceIdentifier": "twcert@cert.org.tw", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}