CVE-2021-39731

In ProtocolStkProactiveCommandAdapter::Init of protocolstkadapter.cpp, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-205036834References: N/A

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://source.android.com/security/bulletin/pixel/2022-03-01	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:google:android:-:*:*:*:*:*:*:*

History

23 Mar 2022, 20:11

Type	Values Removed	Values Added
CPE		cpe:2.3:o:google:android:-:::::::*
First Time		Google Google android
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 4.6 v3 : 6.7
References	~~(MISC) https://source.android.com/security/bulletin/pixel/2022-03-01 -~~	(MISC) https://source.android.com/security/bulletin/pixel/2022-03-01 - Vendor Advisory
CWE		CWE-787

16 Mar 2022, 15:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-03-16 15:15

Updated : 2023-12-10 14:22

NVD link : CVE-2021-39731

Mitre link : CVE-2021-39731

CVE.ORG link : CVE-2021-39731

JSON object : View

Products Affected

google

android

CWE

CWE-787

Out-of-bounds Write

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