PT-2021-13436 · Google · Android

Published 2021-12-15 · Updated 2021-12-20 · CVE-2021-1031

Positive Technologies (AI Summary)

CVSS v3.1

3.3

Low

Base vector

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

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

Description The issue is related to a side channel information disclosure in the NotificationManagerService.java file, specifically in the cancelNotificationsFromListener method. This could allow an attacker to determine whether an app is installed without requiring query permissions, potentially leading to local information disclosure. No additional execution privileges are needed, and user interaction is not required for exploitation.

Recommendations For Android version Android-12, apply the necessary patch or update to resolve the issue related to the cancelNotificationsFromListener method in NotificationManagerService.java.

Fix

Side Channel Attack

Weakness Enumeration

CWE-203

Related Identifiers

CVE-2021-1031

Affected Products

Android

References · 3

• https://osv.dev/vulnerability/CVE-2021-1031 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1031 · Security Note
• https://source.android.com/security/bulletin/pixel/2021-12-01 · Vendor Advisory