CVE-2018-3657 Memory corruption in Intel(R) Active Management Technology

Medium 6.7 Published 12 Sep 2018 Updated 16 Sep 2024

Privileged local attackers can execute arbitrary code with Intel AMT privileges via buffer overflows in CSME firmware.

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-2018-3657?

CVE-2018-3657 is a medium-severity memory corruption vulnerability in Intel Active Management Technology Firmware, published on 12 Sep 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Multiple buffer overflows in Intel AMT in Intel CSME firmware versions before version 12.0.5 may allow a privileged user to potentially execute arbitrary code with Intel AMT execution privilege via local access.

Weakness: CWE-119

Which versions are affected by CVE-2018-3657?

It affects 14 products.

Products include Intel Active Management Technology Firmware, Intel Converged Security Management Engine Firmware, Intel Manageability Engine Firmware, Siemens Simatic Field Pg M5 Firmware, Siemens Simatic Ipc427e Firmware, Siemens Simatic Ipc477e Firmware and 8 more.

How do I fix CVE-2018-3657?

No fix has been published for CVE-2018-3657 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-2018-3657 being exploited?

There is no known exploitation of CVE-2018-3657 in the wild and no public exploit code.

All Intel Active Management Technology Firmware vulnerabilities

Sources

Also known as GHSA-8rgp-cgf3-c9q6.