CVE-2021-25475

A possible heap-based buffer overflow vulnerability in DSP kernel driver prior to SMR Oct-2021 Release 1 allows arbitrary memory write and code execution.

CVSS v3 6.7 MEDIUM
CVSS v2.0 7.2 HIGH

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

7.2^/10

CVSS v2.0 : HIGH

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

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10	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:samsung:exynos_2100:-:::::::*
	cpe:2.3:h:samsung:exynos_980:-:::::::*
	cpe:2.3:h:samsung:exynos_9830:-:::::::*

History

13 Oct 2021, 14:16

Type	Values Removed	Values Added
References	~~(MISC) https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10 -~~	(MISC) https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10 - Vendor Advisory
CWE		CWE-787
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.2 v3 : 6.7
CPE		cpe:2.3:o:google:android:11.0:::::::* cpe:2.3:h:samsung:exynos_980:-:::::::* cpe:2.3:h:samsung:exynos_2100:-:::::::* cpe:2.3:o:google:android:10.0:::::::* cpe:2.3:h:samsung:exynos_9830:-:::::::*

06 Oct 2021, 18:39

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-10-06 18:15

Updated : 2023-12-10 14:09

NVD link : CVE-2021-25475

Mitre link : CVE-2021-25475

CVE.ORG link : CVE-2021-25475

JSON object : View

Products Affected

samsung

exynos_2100
exynos_980
exynos_9830

google

android

CWE

CWE-787

Out-of-bounds Write

CWE-122

Heap-based Buffer Overflow

{"id": "CVE-2021-25475", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/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": 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}, {"type": "Secondary", "source": "mobile.security@samsung.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 3.9, "attackVector": "LOCAL", "baseSeverity": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "HIGH", "confidentialityImpact": "LOW"}, "impactScore": 3.4, "exploitabilityScore": 0.5}]}, "published": "2021-10-06T18:15:08.963", "references": [{"url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2021&month=10", "tags": ["Vendor Advisory"], "source": "mobile.security@samsung.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}, {"type": "Secondary", "source": "mobile.security@samsung.com", "description": [{"lang": "en", "value": "CWE-122"}]}], "descriptions": [{"lang": "en", "value": "A possible heap-based buffer overflow vulnerability in DSP kernel driver prior to SMR Oct-2021 Release 1 allows arbitrary memory write and code execution."}, {"lang": "es", "value": "Una posible vulnerabilidad de desbordamiento de b\u00fafer en la regi\u00f3n heap de la memoria en DSP kernel driver versiones anteriores a SMR Oct-2021 Release 1, permite una escritura de memoria arbitraria y una ejecuci\u00f3n de c\u00f3digo"}], "lastModified": "2021-10-13T14:16:50.333", "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:samsung:exynos_2100:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "9385885D-654A-496E-8029-7C6D9B077193"}, {"criteria": "cpe:2.3:h:samsung:exynos_980:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "0D8701B6-6989-44D1-873A-A1823BFD7CCC"}, {"criteria": "cpe:2.3:h:samsung:exynos_9830:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "CC599902-095F-411E-B112-1BA9A643C6C9"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "mobile.security@samsung.com"}