PT-2021-13394 · Google · Android

Published 2021-12-15 · Updated 2021-12-17 · CVE-2021-0989

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 version Android-12

Description In the hasManageOngoingCallsPermission function of TelecomServiceImpl.java, 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-12, consider restricting access to the hasManageOngoingCallsPermission function of TelecomServiceImpl.java to minimize the risk of exploitation until a patch is available.

Fix

Side Channel Attack

Weakness Enumeration

CWE-203

Related Identifiers

CVE-2021-0989

Affected Products

Android

References · 5

• https://osv.dev/vulnerability/CVE-2021-0989 · Vendor Advisory
• https://source.android.com/security/bulletin/pixel/2021-12-01 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-0989 · Security Note
• https://t.me/cibsecurity/34064 · Telegram Post
• https://t.me/cvenotify/24598 · Telegram Post