CVE-2020-0545 Integer overflow in Intel(R) CSME, Intel(R) TXE, and Intel(R) SPS

Medium 4.4 Published 15 Jun 2020 Updated 4 Aug 2024

A privileged local attacker can cause a denial of service in Intel CSME, TXE, and SPS firmware via an integer overflow.

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-2020-0545?

CVE-2020-0545 is a medium-severity vulnerability in Intel(R) CSME, Intel(R) TXE, and Intel(R) SPS, published on 15 Jun 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Integer overflow in subsystem for Intel(R) CSME versions before 11.8.77, 11.12.77, 11.22.77 and Intel(R) TXE versions before 3.1.75, 4.0.25 and Intel(R) Server Platform Services (SPS) versions before SPS_E5_04.01.04.380.0, SPS_SoC-X_04.00.04.128.0, SPS_SoC-A_04.00.04.211.0, SPS_E3_04.01.04.109.0, SPS_E3_04.08.04.070.0 may allow a privileged user to potentially enable denial of service via local access.

Weakness: CWE-190

Which versions are affected by CVE-2020-0545?

It affects 3 products.

Products include Intel Converged Security Management Engine Firmware, Intel Server Platform Services, Intel Trusted Execution Engine.

How do I fix CVE-2020-0545?

No fix has been published for CVE-2020-0545 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-0545 being exploited?

There is no known exploitation of CVE-2020-0545 in the wild and no public exploit code.

Sources

Also known as GHSA-h5fx-pwfx-5925.