CVE-2021-39791: Medium severity android vulnerability
In WallpaperManagerService, 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.Product: AndroidVersions: Android-12LAndroid ID: A-194112606
Affected Software
Event History
Frequently Asked Questions
Who can exploit this issue?
A locally running attacker with low privileges can exploit it. No user interaction or additional execution privileges are required.
What information could be exposed?
The issue can allow an app to determine whether another app is installed, even without the permissions normally required to query installed applications.
Which Android release is identified as affected?
The provided data identifies Android 12L as affected.
How can an organization tell whether it may be affected?
Devices running Android 12L should be assessed against Android ID A-194112606. The provided data does not include a fixed version or workaround.