CVE-2023-42566 Memory corruption in Samsung Mobile Devices

High 7.3 Published 5 Dec 2023 Updated 2 Aug 2024

Local attackers can execute arbitrary code via an out-of-bounds write in the libsavsvc component of Samsung mobile devices.

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

What is CVE-2023-42566?

CVE-2023-42566 is a high-severity memory corruption vulnerability in Samsung Android, published on 5 Dec 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Out-of-bound write vulnerability in libsavsvc prior to SMR Dec-2023 Release 1 allows local attackers to execute arbitrary code.

Weakness: CWE-787

Which versions are affected by CVE-2023-42566?

It affects 1 product.

Products include Samsung Android.

How do I fix CVE-2023-42566?

No fix has been published for CVE-2023-42566 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-42566 being exploited?

There is no known exploitation of CVE-2023-42566 in the wild and no public exploit code.

All Samsung Android vulnerabilities

Sources

Also known as GHSA-wf8v-9h5c-4rcm.