CVE-2019-1998 Denial of service in Android

Medium 5.5 Published Updated

A resource exhaustion flaw in Android's keymaster component allows local attackers to cause a persistent denial of service without user interaction or privileges.

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-2019-1998?

CVE-2019-1998 is a medium-severity denial of service vulnerability in Google Android, published on 28 Feb 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In event_handler of keymaster_app.c, there is possible resource exhaustion due to a table being lost on reboot. This could lead to local denial of service that is not fixed by a factory reset, with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-9. Android ID: A-116055338.

Which versions are affected by CVE-2019-1998?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2019-1998?

No fix has been published for CVE-2019-1998 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2019-1998 being exploited?

There is no known exploitation of CVE-2019-1998 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-wjfv-xp2f-fp9w.

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