CVE-2021-0321

In enforceDumpPermissionForPackage of ActivityManagerService.java, there is a possible way to determine if a package is installed 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. Product: Android; Versions: Android-11; Android ID: A-166667403.
Severity
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Atk. Vector
LOCAL
Atk. Complexity
LOW
Priv. Required
LOW
Base Score
CVSS 3.x
EPSS Score
Percentile: 5%
VendorProductVersion
googleandroid
11.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://source.android.com/security/bulletin/2021-01-01
https://source.android.com/security/bulletin/2021-01-01