PT-2023-17885 · Google · Android

CVE-2023-21091 · Published 2023-04-01 · Updated 2023-04-25

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Android versions Android-13

Description The issue is related to a missing permission check in the canDisplayLocalUi method of AppLocalePickerActivity.java. This could allow changing system app locales, potentially leading to a local denial of service across user boundaries without requiring additional execution privileges. User interaction is not necessary for exploitation.

Recommendations For Android version Android-13, apply the necessary permission checks to the canDisplayLocalUi method in AppLocalePickerActivity.java to prevent unauthorized changes to system app locales.

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

ASB-A-257954050

CVE-2023-21091

Affected Products

Android

References · 5

• https://osv.dev/vulnerability/ASB-A-257954050 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-21091 · Vendor Advisory
• https://source.android.com/security/bulletin/2023-04-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-21091 · Security Note
• https://android.googlesource.com/platform/packages/apps/Settings/+/211f81afe632cc7b5e085adfb3d7949d80e0b810 · Note