CVE-2023-21270 Privilege escalation in Andrioid

High 7.8 Published Updated

A flaw in Android's permission management allows apps to retain revoked permissions, enabling local privilege escalation without user interaction.

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-2023-21270?

CVE-2023-21270 is a high-severity vulnerability in Google Android, published on 19 Nov 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In restorePermissionState of PermissionManagerServiceImpl.java, there is a possible way for an app to keep permissions that should be revoked due to incorrect permission flags cleared during an update. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.

Weakness: CWE-863, CWE-276

Which versions are affected by CVE-2023-21270?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2023-21270?

Apply the vendor's patch.

Is CVE-2023-21270 being exploited?

There is no known exploitation of CVE-2023-21270 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-283006437, ASB-A-283006437, GHSA-cp57-7c6j-pxfg.

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