PT-2021-13418 · Google · Android

Published 2021-12-15 · Updated 2021-12-20 · CVE-2021-1013

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-12

Description The issue is related to a side channel information disclosure in the checkExistsAndEnforceCannotModifyImmutablyRestrictedPermission function of PermissionManagerService.java. This could allow an attacker to determine whether an app is installed without query permissions, 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, 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-2021-1013

Affected Products

Android

References · 4

• https://osv.dev/vulnerability/CVE-2021-1013 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-1013 · Security Note
• https://source.android.com/security/bulletin/pixel/2021-12-01 · Vendor Advisory
• https://t.me/cibsecurity/34058 · Telegram Post