CVE-2016-3917 Auth bypass in n/a

High 7.8 Published Updated

Physically proximate attackers can bypass fingerprint authentication to access arbitrary user accounts on Android devices.

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-2016-3917?

CVE-2016-3917 is a high-severity authentication bypass vulnerability in Google Android, published on 10 Oct 2016. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The fingerprint login feature in Android 6.0.1 before 2016-10-01 and 7.0 before 2016-10-01 does not track the user account during the authentication process, which allows physically proximate attackers to authenticate as an arbitrary user by leveraging lockscreen access, aka internal bug 30744668.

Weakness: CWE-264

Which versions are affected by CVE-2016-3917?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2016-3917?

No fix has been published for CVE-2016-3917 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2016-3917 being exploited?

There is no known exploitation of CVE-2016-3917 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-5vc6-pxqc-7hmr, UBUNTU-CVE-2016-3917.

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