CVE-2019-6172 Code injection in ThinkPad

Medium 6.4 Published 12 Nov 2019 Updated 4 Aug 2024

Insufficient parameter checking in the Legacy USB driver SMI callback allows arbitrary code execution on Lenovo ThinkPad models.

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

What is CVE-2019-6172?

CVE-2019-6172 is a medium-severity code injection vulnerability in Lenovo ThinkPad, published on 12 Nov 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A potential vulnerability in the SMI callback function used in Legacy USB driver using passed parameter without sufficient checking in some Lenovo ThinkPad models may allow arbitrary code execution.

Which versions are affected by CVE-2019-6172?

It affects 392 products.

Products include Lenovo 130-14ikb Firmware, Lenovo 130-15ikb Firmware, Lenovo 330-14ikb Firmware, Lenovo 330-14ikbr Firmware, Lenovo 330-15ich Firmware, Lenovo 330-15ikb Firmware and 386 more.

How do I fix CVE-2019-6172?

No fix has been published for CVE-2019-6172 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2019-6172 being exploited?

There is no known exploitation of CVE-2019-6172 in the wild and no public exploit code.

Sources

Also known as GHSA-75rw-5mh8-g8gf.