CVE-2021-34393 Deserialization in NVIDIA Jetson TX2 series, TX2 NX, AGX Xavier series, Xavier NX

Medium 4.2 Published 22 Jun 2021 Updated 4 Aug 2024

An attacker can exploit a deserialization flaw in the NVIDIA Jetson TSEC Trusted Application to achieve code execution and disclose sensitive information.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2021-34393?

CVE-2021-34393 is a medium-severity unsafe deserialization vulnerability in NVIDIA Jetson TX2 series, TX2 NX, AGX Xavier series, Xavier NX, published on 22 Jun 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Trusty contains a vulnerability in TSEC TA which deserializes the incoming messages even though the TSEC TA does not expose any command. This vulnerability might allow an attacker to exploit the deserializer to impact code execution, causing information disclosure.

Weakness: CWE-502

Which versions are affected by CVE-2021-34393?

It affects 1 product.

Products include Nvidia Jetson Linux.

How do I fix CVE-2021-34393?

No fix has been published for CVE-2021-34393 yet. Limit exposure of the affected software until one is available.

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

Is CVE-2021-34393 being exploited?

There is no known exploitation of CVE-2021-34393 in the wild and no public exploit code.

Sources

Also known as GHSA-4v94-29mp-g6pq.