CVE-2021-39756: Medium severity android vulnerability
Published Mar 30, 2022
·Updated
In Framework, 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-184354287
Affected Software
1 affected component
Google Android=12.1
Event History
Mar 30, 2022
CVE Published
via MITRE·04:02 PM
Data Sourced
via MITRE·04:02 PM
DescriptionWeakness
Frequently Asked Questions
1
Who can exploit this issue?
A local attacker with low privileges can exploit it. No user interaction or additional execution privileges are required.
2
What information could be exposed?
The issue can allow an app to determine whether another app is installed even when it does not have query permissions. The impact is limited to information disclosure; integrity and availability are not affected.
3
Which Android release is identified as affected?
The affected version listed is Android 12L.