CVE-2022-35858 Memory corruption in n/a

High 7.8 Published 4 Aug 2022 Updated 3 Aug 2024

A trusted application can trigger memory overwrite, denial of service, and information disclosure in Samsung mTower by passing a large attribute count.

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-2022-35858?

CVE-2022-35858 is a high-severity memory corruption vulnerability in n/a, published on 4 Aug 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The TEE_PopulateTransientObject and __utee_from_attr functions in Samsung mTower 0.3.0 allow a trusted application to trigger a memory overwrite, denial of service, and information disclosure by invoking the function TEE_PopulateTransientObject with a large number in the parameter attrCount.

Weakness: CWE-401

Which versions are affected by CVE-2022-35858?

It affects 1 product.

Products include Samsung Mtower.

How do I fix CVE-2022-35858?

No fix has been published for CVE-2022-35858 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-2022-35858 being exploited?

There is no known exploitation of CVE-2022-35858 in the wild and no public exploit code.

Sources

Also known as GHSA-pcvh-vv8g-jm39.