CVE-2021-0567 Privilege escalation in Android

High 7.8 Published Updated

Local attackers can escalate privileges by injecting font files via a permissions bypass in Android RemoteViews, requiring no 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-2021-0567?

CVE-2021-0567 is a high-severity vulnerability in Google Android, published on 22 Jun 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In isRestricted of RemoteViews.java, there is a possible way to inject font files due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-179461812

Weakness: CWE-74

Which versions are affected by CVE-2021-0567?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2021-0567?

Apply the vendor's patch.

Is CVE-2021-0567 being exploited?

There is no known exploitation of CVE-2021-0567 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-179461812, GHSA-vg2v-6xj4-m324, PUB-A-179461812.

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