PT-2022-11022 · Google · Android

Published 2022-03-30 · Updated 2022-04-05 · CVE-2021-39744

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 Android-12L

Description In DevicePolicyManager, there is a possible way to determine whether an app is installed, without query permissions, due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

Recommendations For Android version Android-12L, update to a version that includes the fix for this issue, as no specific workaround is provided for this version. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Side Channel Attack

Weakness Enumeration

CWE-203

Related Identifiers

CVE-2021-39744

Affected Products

Android

References · 4

• https://osv.dev/vulnerability/CVE-2021-39744 · Vendor Advisory
• https://source.android.com/security/bulletin/android-12l · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39744 · Security Note
• https://t.me/cibsecurity/39843 · Telegram Post