CVE-2019-9468 Use after free in Android

High 7.8 Published Updated

A double free vulnerability in Android's key export function allows local attackers to escalate privileges without user interaction.

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-2019-9468?

CVE-2019-9468 is a high-severity use after free vulnerability in Google Android, published on 6 Jan 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In export_key_der of export_key.cpp, there is possible memory corruption due to a double free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android-10 Android ID: A-139683471

Weakness: CWE-787, CWE-415

Which versions are affected by CVE-2019-9468?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2019-9468?

No fix has been published for CVE-2019-9468 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2019-9468 being exploited?

There is no known exploitation of CVE-2019-9468 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as GHSA-prm5-3cm3-4mq2.

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