CVE-2022-20442: PermissionController#ReviewPermissionsActivity could be Overlaid to Trick User into Granting Permission to Apps with API level lower than 23

platform/packages/apps/PackageInstaller Updated 02 Oct 2025

Summary

01/12/2022

Disclosed on

CVE-2022-20442

CVE

Yes i

Fix available

High

Severity

Not published

CVSS Score

CVE-2022-20442: In onCreate of ReviewPermissionsActivity.java, there is a possible way to grant permissions for a separate app with API level < 23 due to a tapjacking/overlay attack. Affects platform/packages/apps/PackageInstaller versions >= 10:0, < 10:2022-12-01. Fixed in 10:2022-12-01. How to fix ↓

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Background

The package under scrutiny is an Android package with an unknown name. It belongs to the Android ecosystem and is affected by the vulnerability described in this report. The package is used to manage permissions in Android applications. It supports multiple API levels, starting from version 10. The vulnerability affects API levels lower than 23.

Vulnerability Detail

The vulnerability exists in the onCreate method of the ReviewPermissionsActivity.java file. It allows for a tapjacking/overlay attack, where an attacker can trick the user into granting permissions to a separate app with an API level lower than 23. This can lead to a local escalation of privilege, requiring user interaction for exploitation. The impact of this vulnerability is high, as it can potentially grant unauthorized permissions to malicious apps.

How To Fix

Minimum fixed version

10:2022-12-01

This is the first release that contains the fix.

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Workaround

There is no known workaround for this vulnerability. It is essential to apply the fix provided by the package maintainers.

Conclusion

In conclusion, the package is vulnerable to a tapjacking/overlay attack in the ReviewPermissionsActivity. This can lead to unauthorized permissions being granted to malicious apps. It is recommended to update the package to the latest version that includes the fix. For further support on vulnerability remediation, please contact DevNack.com.

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