PT-2023-17728 · Google · Android

Published 2023-02-01 · Updated 2025-03-21 · CVE-2023-20939

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-12 through Android-13

Description In multiple functions of looper backed event loop.cpp, there is a possible way to corrupt memory due to improper locking. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Recommendations For Android versions Android-12 through Android-13, update to a version that contains a fix for this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Locking

Weakness Enumeration

CWE-667

Related Identifiers

ASB-A-243362981

CVE-2023-20939

Affected Products

Android

References · 8

• https://osv.dev/vulnerability/CVE-2023-20939 · Vendor Advisory
• https://source.android.com/security/bulletin/2023-02-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-20939 · Security Note
• https://osv.dev/vulnerability/ASB-A-243362981 · Vendor Advisory
• https://t.me/cvenotify/45635 · Telegram Post
• https://t.me/cibsecurity/59127 · Telegram Post
• https://t.me/cvenotify/115715 · Telegram Post
• https://android.googlesource.com/platform/system/connectivity/wificond/+/192f1dd4fb5978850851b1a7900cbb4168b6749e · Note