CVE-2018-12178 Memory corruption in Extensible Firmware Interface Development Kit (EDK II)

Critical 9.1 Published 27 Mar 2019 Updated 5 Aug 2024

A buffer overflow in the EDK II network stack allows unprivileged users to escalate privileges or cause denial of service via network access.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2018-12178?

CVE-2018-12178 is a critical memory corruption vulnerability in Extensible Firmware Interface Development Kit (EDK II), published on 27 Mar 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Buffer overflow in network stack for EDK II may allow unprivileged user to potentially enable escalation of privilege and/or denial of service via network.

Weakness: CWE-119

Which versions are affected by CVE-2018-12178?

It affects 1 product.

Products include Tianocore Edk Ii.

How do I fix CVE-2018-12178?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-12178 being exploited?

There is no known exploitation of CVE-2018-12178 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2018-12178, GHSA-85f7-wwh2-8hrc, UBUNTU-CVE-2018-12178.