CVE-2021-0656

In edma driver, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05709376; Issue ID: ALPS05709376.

CVSS v3 6.7 MEDIUM
CVSS v2.0 4.6 MEDIUM

6.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://corp.mediatek.com/product-security-bulletin/November-2021	Vendor Advisory
https://corp.mediatek.com/product-security-bulletin/November-2021	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

OR	cpe:2.3:o:google:android:10.0:::::::*
	cpe:2.3:o:google:android:11.0:::::::*

OR	cpe:2.3:h:mediatek:mt6853:-:::::::*
	cpe:2.3:h:mediatek:mt6853t:-:::::::*
	cpe:2.3:h:mediatek:mt6873:-:::::::*
	cpe:2.3:h:mediatek:mt6877:-:::::::*
	cpe:2.3:h:mediatek:mt6883:-:::::::*
	cpe:2.3:h:mediatek:mt6885:-:::::::*
	cpe:2.3:h:mediatek:mt6889:-:::::::*
	cpe:2.3:h:mediatek:mt6893:-:::::::*
	cpe:2.3:h:mediatek:mt8195:-:::::::*
	cpe:2.3:h:mediatek:mt8791:-:::::::*
	cpe:2.3:h:mediatek:mt8797:-:::::::*

History

21 Nov 2024, 05:43

Type	Values Removed	Values Added
References	~~() https://corp.mediatek.com/product-security-bulletin/November-2021 - Vendor Advisory~~	() https://corp.mediatek.com/product-security-bulletin/November-2021 - Vendor Advisory

Information

Published : 2021-11-18 15:15

Updated : 2024-11-21 05:43

NVD link : CVE-2021-0656

Mitre link : CVE-2021-0656

CVE.ORG link : CVE-2021-0656

JSON object : View

Products Affected

mediatek

mt6889
mt6853t
mt6885
mt8791
mt6893
mt8195
mt6883
mt6853
mt8797
mt6877
mt6873

google

android

CWE

CWE-416

Use After Free

{"id": "CVE-2021-0656", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.6, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.8}]}, "published": "2021-11-18T15:15:08.510", "references": [{"url": "https://corp.mediatek.com/product-security-bulletin/November-2021", "tags": ["Vendor Advisory"], "source": "security@android.com"}, {"url": "https://corp.mediatek.com/product-security-bulletin/November-2021", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "In edma driver, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05709376; Issue ID: ALPS05709376."}, {"lang": "es", "value": "En edma driver, se presenta una posible corrupci\u00f3n de memoria debido a un uso de memoria previamente liberadaa. Esto podr\u00eda conllevar a una escalada de privilegios local con privilegios de ejecuci\u00f3n System requeridos. No es requerida una interacci\u00f3n del usuario para su explotaci\u00f3n. ID del Parche: ALPS05709376; ID del Problema: ALPS05709376."}], "lastModified": "2024-11-21T05:43:05.540", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D558D965-FA70-4822-A770-419E73BA9ED3"}, {"criteria": "cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "109DD7FD-3A48-4C3D-8E1A-4433B98E1E64"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6853:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "366F1912-756B-443E-9962-224937DD7DFB"}, {"criteria": "cpe:2.3:h:mediatek:mt6853t:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "328DA6BE-1303-4646-89B7-2EC8DC444532"}, {"criteria": "cpe:2.3:h:mediatek:mt6873:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "F6B8A36E-C5FB-44AE-A1C3-50EBF4C68F6B"}, {"criteria": "cpe:2.3:h:mediatek:mt6877:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "7CA9352F-E9BD-4656-9B7C-4AFEE2C78E58"}, {"criteria": "cpe:2.3:h:mediatek:mt6883:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "15E2EC3F-9FB3-488B-B1C1-2793A416C755"}, {"criteria": "cpe:2.3:h:mediatek:mt6885:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "DD64413C-C774-4C4F-9551-89E1AA9469EE"}, {"criteria": "cpe:2.3:h:mediatek:mt6889:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "3B787DC3-8E5A-4968-B20B-37B6257FAAE2"}, {"criteria": "cpe:2.3:h:mediatek:mt6893:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "213B5C7F-D965-4312-9CDF-4F06FA77D401"}, {"criteria": "cpe:2.3:h:mediatek:mt8195:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "ED210E64-6CE7-42B1-849E-68C0E22521F6"}, {"criteria": "cpe:2.3:h:mediatek:mt8791:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "9CD2C3EC-B62D-4616-964F-FDBE5B14A449"}, {"criteria": "cpe:2.3:h:mediatek:mt8797:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "2B469BF4-5961-42E9-814B-1BE06D182E45"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "security@android.com"}