CVE-2018-16091 System Management Module Vulnerabilities

High 8.1 Published 27 Nov 2018 Updated 5 Aug 2024

Buffer overflows in Lenovo ThinkSystem SMM allow attackers to execute arbitrary code or escalate privileges via certificate parsing.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-16091?

CVE-2018-16091 is a high-severity memory corruption vulnerability in Lenovo ThinkSystem SMM, published on 27 Nov 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In System Management Module (SMM) versions prior to 1.06, the SMM certificate creation and parsing logic is vulnerable to several buffer overflows.

Weakness: CWE-119

Which versions are affected by CVE-2018-16091?

It affects 1 product.

Products include Lenovo System Management Module Firmware.

How do I fix CVE-2018-16091?

No fix has been published for CVE-2018-16091 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-2018-16091 being exploited?

There is no known exploitation of CVE-2018-16091 in the wild and no public exploit code.

Sources

Also known as GHSA-p9vj-3h39-96p7.