CVE-2021-39623

In doRead of SimpleDecodingSource.cpp, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-12 Android-9Android ID: A-194105348

CVSS v3 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://source.android.com/security/bulletin/2022-01-01	Vendor Advisory
https://source.android.com/security/bulletin/2022-01-01	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:google:android:9.0:::::::*
	cpe:2.3:o:google:android:10.0:::::::*
	cpe:2.3:o:google:android:11.0:::::::*
	cpe:2.3:o:google:android:12.0:::::::*

History

21 Nov 2024, 06:19

Type	Values Removed	Values Added
References	~~() https://source.android.com/security/bulletin/2022-01-01 - Vendor Advisory~~	() https://source.android.com/security/bulletin/2022-01-01 - Vendor Advisory

08 Aug 2023, 14:21

Type	Values Removed	Values Added
CWE	~~CWE-269~~	CWE-787

Information

Published : 2022-01-14 20:15

Updated : 2024-11-21 06:19

NVD link : CVE-2021-39623

Mitre link : CVE-2021-39623

CVE.ORG link : CVE-2021-39623

JSON object : View

Products Affected

google

android

CWE

CWE-787

Out-of-bounds Write

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