CVE-2018-3689 Denial of service in Guard Extensions Platform Software Component for Linux

Medium 5.5 Published 3 Apr 2018 Updated 17 Sep 2024

A local attacker can disable the AESM daemon, causing a denial of service for remote attestation in Intel SGX on Linux.

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-2018-3689?

CVE-2018-3689 is a medium-severity denial of service vulnerability in Intel Corporation Guard Extensions Platform Software Component for Linux, published on 3 Apr 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

AESM daemon in Intel Software Guard Extensions Platform Software Component for Linux before 2.1.102 can effectively be disabled by a local attacker creating a denial of services like remote attestation provided by the AESM.

Which versions are affected by CVE-2018-3689?

It affects 1 product.

Products include Intel Software Guard Extensions.

How do I fix CVE-2018-3689?

No fix has been published for CVE-2018-3689 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2018-3689 being exploited?

There is no known exploitation of CVE-2018-3689 in the wild and no public exploit code.

Sources

Also known as GHSA-988p-gcv2-84vj.