CVE-2021-0476

In FindOrCreatePeer of btif_av.cc, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-9 Android-10Android ID: A-169252501

CVSS v3 7.0 HIGH
CVSS v2.0 6.9 MEDIUM

7.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.0 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.9^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.4 / Impact : 10.0

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://source.android.com/security/bulletin/2021-05-01	Patch Vendor Advisory
https://source.android.com/security/bulletin/2021-05-01	Patch 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:::::::*

History

21 Nov 2024, 05:42

Type	Values Removed	Values Added
References	~~() https://source.android.com/security/bulletin/2021-05-01 - Patch, Vendor Advisory~~	() https://source.android.com/security/bulletin/2021-05-01 - Patch, Vendor Advisory

Information

Published : 2021-06-11 17:15

Updated : 2024-11-21 05:42

NVD link : CVE-2021-0476

Mitre link : CVE-2021-0476

CVE.ORG link : CVE-2021-0476

JSON object : View

Products Affected

google

android

CWE

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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