PT-2023-17889 · Google · Android

Published 2023-06-01 · Updated 2023-06-22 · CVE-2023-21095

Positive Technologies (AI Summary)

CVSS v3.1

4.7

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Android versions Android-12L through Android-13

Description A possible partial lockscreen bypass exists due to a race condition in the canStartSystemGesture function of RecentsAnimationDeviceState.java. This issue could lead to local escalation of privilege without requiring additional execution privileges. User interaction is not necessary for exploitation.

Recommendations For Android versions Android-12L through Android-13, apply the fix for the race condition in canStartSystemGesture of RecentsAnimationDeviceState.java to prevent local escalation of privilege. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

ASB-A-242704576

CVE-2023-21095

Affected Products

Android

References · 6

• https://osv.dev/vulnerability/CVE-2023-21095 · Vendor Advisory
• https://source.android.com/security/bulletin/2023-06-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-21095 · Security Note
• https://osv.dev/vulnerability/ASB-A-242704576 · Vendor Advisory
• https://android.googlesource.com/platform/packages/apps/Launcher3/+/cb4c26c20e42b841240bc9a7692d611cbfe7a48c · Note
• https://t.me/cvenotify/52425 · Telegram Post