CVE-2019-2137 Missing authorization in Android

Medium 5.5 Published Updated

A missing permission check in Android's TelecomManager allows local attackers to deny access to Emergency Services.

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-2019-2137?

CVE-2019-2137 is a medium-severity missing authorization vulnerability in Google Android, published on 20 Aug 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the endCall() function of TelecomManager.java, there is a possible Denial of Service due to a missing permission check. This could lead to local denial of access to Emergency Services with User execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-9. Android ID: A-132438333.

Weakness: CWE-862

Which versions are affected by CVE-2019-2137?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2019-2137?

No fix has been published for CVE-2019-2137 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2019-2137 being exploited?

There is no known exploitation of CVE-2019-2137 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-c8f5-4qqh-jxf9, UBUNTU-CVE-2019-2137.

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