PT-2022-11023 · Google · Android

Published 2022-03-30 · Updated 2022-04-05 · CVE-2021-39745

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Android versions prior to the fixed version

Description The issue allows an attacker to determine whether an app is installed without query permissions, due to side channel information disclosure in DevicePolicyManager. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not required for exploitation.

Recommendations For Android versions prior to the fixed version, update to a version that includes the fix for this issue to prevent local information disclosure.

Fix

Side Channel Attack

Weakness Enumeration

CWE-203

Related Identifiers

CVE-2021-39745

Affected Products

Android

References · 3

• https://osv.dev/vulnerability/CVE-2021-39745 · Vendor Advisory
• https://source.android.com/security/bulletin/android-12l · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39745 · Security Note