CVE-2018-9567 Security feature bypass in Android

High 7.8 Published Updated

Verified boot displays identical fingerprints for different keys, potentially allowing local privilege escalation if users rely on these checks.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2018-9567?

CVE-2018-9567 is a high-severity vulnerability in Google Android, published on 6 Dec 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

On Pixel devices there is a bug causing verified boot to show the same certificate fingerprint despite using different signing keys. This may lead to local escalation of privilege if people are relying on those fingerprints to determine what version of the OS the device is running, with System execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID: A-65543936.

Which versions are affected by CVE-2018-9567?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2018-9567?

No fix has been published for CVE-2018-9567 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-9567 being exploited?

There is no known exploitation of CVE-2018-9567 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-94xj-wjv8-fjv5.

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