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CVE-2023-21270

Nov. 20, 2024, 5:35 p.m.

Tags

security@android.com
CWE-276
2024-11-19
CVE-2023-21270

CVSS Score

7.8 / 10

Product(s) Impacted

Android

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.

Weaknesses

CWE-276
Incorrect Default Permissions

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

CWE ID: 276

Date

Published: Nov. 19, 2024, 6:15 p.m.

Last Modified: Nov. 20, 2024, 5:35 p.m.

Status : Awaiting Analysis

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

More info

Source

security@android.com

CVSS Data

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score
7.8
Exploitability Score
1.8
Impact Score
5.9
Base Severity
HIGH
CVSS Vector String

The CVSS vector string provides an in-depth view of the vulnerability metrics.

View Vector String

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

References

https://source.android.com/ security@android.com