SecuriTricks - CVE-2023-21270

Description

In restorePermissionState of PermissionManagerServiceImpl.java, there is a possible way for an app to keep permissions that should be revoked due to incorrect permission flags cleared during an update. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.

Product(s) Impacted

Vendor	Product	Versions
Google	Android	12.0, 12.1, 13.0

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-276

Incorrect Default Permissions

During installation, installed file permissions are set to allow anyone to modify those files.

CWE-863

Incorrect Authorization

The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
o	google	android	12.0	/	/	/	/	/	/	/
o	google	android	12.1	/	/	/	/	/	/	/
o	google	android	13.0	/	/	/	/	/	/	/

References

https://source.android.com/security/bulletin/2023-08-01

CVSS Score

7.8 / 10

CVSS Data - 3.1

Attack Vector: LOCAL
Attack Complexity: LOW
Privileges Required: LOW
Scope: UNCHANGED
Confidentiality Impact: HIGH
Integrity Impact: HIGH
Availability Impact: HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

View Vector String

Timeline

Published: Nov. 19, 2024, 6:15 p.m.
Last Modified: Dec. 18, 2024, 2:22 p.m.

Status : Analyzed

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

security@android.com

CVE-2023-21270