CVE-2021-39798

In Bitmap_createFromParcel of Bitmap.cpp, there is a possible arbitrary code execution due to a missing bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12LAndroid ID: A-213169612

CVSS v3 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

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://source.android.com/security/bulletin/2022-04-01	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:google:android:12.0:::::::*
	cpe:2.3:o:google:android:12.1:::::::*

History

18 Apr 2022, 18:56

Type	Values Removed	Values Added
References	~~(MISC) https://source.android.com/security/bulletin/2022-04-01 -~~	(MISC) https://source.android.com/security/bulletin/2022-04-01 - Vendor Advisory
CPE		cpe:2.3:o:google:android:12.1:::::::* cpe:2.3:o:google:android:12.0:::::::*
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 7.2 v3 : 7.8
CWE		CWE-119

12 Apr 2022, 17:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-04-12 17:15

Updated : 2024-02-04 22:29

NVD link : CVE-2021-39798

Mitre link : CVE-2021-39798

CVE.ORG link : CVE-2021-39798

JSON object : View

Products Affected

google

android

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

{"id": "CVE-2021-39798", "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": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2022-04-12T17:15:08.247", "references": [{"url": "https://source.android.com/security/bulletin/2022-04-01", "tags": ["Vendor Advisory"], "source": "security@android.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-119"}]}], "descriptions": [{"lang": "en", "value": "In Bitmap_createFromParcel of Bitmap.cpp, there is a possible arbitrary code execution due to a missing bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12LAndroid ID: A-213169612"}, {"lang": "es", "value": "En la funci\u00f3n Bitmap_createFromParcel del archivo Bitmap.cpp, se presenta una posible ejecuci\u00f3n de c\u00f3digo arbitrario debido a una falta de comprobaci\u00f3n de l\u00edmites. Esto podr\u00eda conllevar a una escalada local de privilegios, con los privilegios de ejecuci\u00f3n User necesarios. No es requerida una interacci\u00f3n del usuario para su explotaci\u00f3n. Producto: Android, Versiones: Android-12 Android-12L, ID de Android: A-213169612"}], "lastModified": "2022-04-18T18:56:51.203", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F8FB8EE9-FC56-4D5E-AE55-A5967634740C"}, {"criteria": "cpe:2.3:o:google:android:12.1:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C64C1583-CDE0-4C1F-BDE6-05643C1BDD72"}], "operator": "OR"}]}], "sourceIdentifier": "security@android.com"}