PT-2023-17784 · Google · Android

Published 2023-03-24 · Updated 2023-03-29 · CVE-2023-20995

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-13

Description The issue is related to a logic error in the code of CustomizedSensor.cpp, specifically in the captureImage function. This error can be exploited to bypass the fingerprint unlock, potentially leading to local escalation of privilege without requiring additional execution privileges. User interaction is not necessary for exploitation.

Recommendations For Android version Android-13, consider disabling the fingerprint unlock feature until a patch is available to prevent potential exploitation. Restrict access to the CustomizedSensor.cpp module to minimize the risk of escalation of privilege. Avoid using the captureImage function in CustomizedSensor.cpp until the issue is resolved.

Fix

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

CVE-2023-20995

Affected Products

Android

References · 5

• https://osv.dev/vulnerability/CVE-2023-20995 · Vendor Advisory
• https://source.android.com/security/bulletin/pixel/2023-03-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-20995 · Security Note
• https://t.me/cvenotify/47075 · Telegram Post
• https://t.me/cibsecurity/60660 · Telegram Post