CVE-2023-21081 Security feature bypass in Android

High 7.8 Published Updated

A logic error in Android's PackageInstallerService allows local attackers to bypass background activity launch restrictions, leading to privilege escalation.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2023-21081?

CVE-2023-21081 is a high-severity vulnerability in Google Android, published on 19 Apr 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In multiple functions of PackageInstallerService.java and related files, there is a possible way to bypass background activity launch restrictions due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-230492955

Which versions are affected by CVE-2023-21081?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2023-21081?

Apply the vendor's patch.

Is CVE-2023-21081 being exploited?

There is no known exploitation of CVE-2023-21081 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-230492955, ASB-A-230492955, GHSA-5j86-f6q6-qx5r.

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