CVE-2019-9253 Information disclosure in Android

Medium 4.4 Published Updated

Local attackers with system privileges can access symmetric keys stored in the TEE instead of the strongbox due to a missing flag.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-9253?

CVE-2019-9253 is a medium-severity vulnerability in Google Android, published on 27 Sep 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In KeyStore, there is a possible storage of symmetric keys in the TEE instead of the strongbox due to a missing strongbox flag. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Product: AndroidVersions: Android-10Android ID: A-109769728

Weakness: CWE-922

Which versions are affected by CVE-2019-9253?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2019-9253?

No fix has been published for CVE-2019-9253 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-9253 being exploited?

There is no known exploitation of CVE-2019-9253 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-8ggq-3hm2-4vc4.

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