CVE-2024-0047 Deserialization in Android

Medium 5.5 Published Updated

A logic error in Android's UserManagerService causes local denial of service during reboot due to incorrect device policy serialization.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2024-0047?

CVE-2024-0047 is a medium-severity unsafe deserialization vulnerability in Google Android, published on 11 Mar 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In writeUserLP of UserManagerService.java, device policies are serialized with an incorrect tag due to a logic error in the code. This could lead to local denial of service when policies are deserialized on reboot with no additional execution privileges needed. User interaction is not needed for exploitation.

Weakness: CWE-502

Which versions are affected by CVE-2024-0047?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2024-0047?

Apply the vendor's patch.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2024-0047 being exploited?

There is no known exploitation of CVE-2024-0047 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-311687929, ASB-A-311687929, GHSA-5vw7-hf8v-5qgw.

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