PT-2023-17888 · Google · Android

Published 2023-04-01 · Updated 2023-04-29 · CVE-2023-21094

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Android versions Android-11 through Android-13

Description The issue is related to a missing permission check in the sanitize function of LayerState.cpp. This could allow an attacker to take over the screen display and swap the display content, potentially leading to local escalation of privilege without needing additional execution privileges. User interaction is not required for exploitation.

Recommendations For Android versions Android-11 through Android-13, apply the necessary patch to fix the missing permission check in the sanitize function of LayerState.cpp.

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

ASB-A-248031255

CVE-2023-21094

Affected Products

Android

References · 5

• https://osv.dev/vulnerability/CVE-2023-21094 · Vendor Advisory
• https://osv.dev/vulnerability/ASB-A-248031255 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-21094 · Security Note
• https://source.android.com/security/bulletin/2023-04-01 · Vendor Advisory
• https://android.googlesource.com/platform/frameworks/native/+/c710617ac6489a7f518c5138a78059a99f98e38d · Note