CVE-2024-0762 Potential buffer overflow when handling UEFI variables

High 7.5 Published Updated

A buffer overflow in Phoenix SecureCore UEFI firmware allows attackers to execute arbitrary code or escalate privileges on affected Intel platforms.

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-2024-0762?

CVE-2024-0762 is a high-severity memory corruption vulnerability in Phoenix SecureCore™ for Intel Alder Lake, published on 14 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Potential buffer overflow in unsafe UEFI variable handling

in Phoenix SecureCore™ for select Intel platforms

This issue affects:

Phoenix

SecureCore™ for Intel Kaby Lake: from 4.0.1.1 before 4.0.1.998;

Phoenix

SecureCore™ for Intel Coffee Lake: from 4.1.0.1 before 4.1.0.562;

Phoenix

SecureCore™ for Intel Ice Lake: from 4.2.0.1 before 4.2.0.323;

Phoenix

SecureCore™ for Intel Comet Lake: from 4.2.1.1 before 4.2.1.287;

Phoenix

SecureCore™ for Intel Tiger Lake: from 4.3.0.1 before 4.3.0.236;

Phoenix

SecureCore™ for Intel Jasper Lake: from 4.3.1.1 before 4.3.1.184;

Phoenix

SecureCore™ for Intel Alder Lake: from 4.4.0.1 before 4.4.0.269;

Phoenix

SecureCore™ for Intel Raptor Lake: from 4.5.0.1 before 4.5.0.218;

Phoenix

SecureCore™ for Intel Meteor Lake: from 4.5.1.1 before 4.5.1.15.

Weakness: CWE-120

Which versions are affected by CVE-2024-0762?

It affects 1 product.

Products include Phoenixtech Securecore Technology.

How do I fix CVE-2024-0762?

No fix has been published for CVE-2024-0762 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-2024-0762 being exploited?

There is no known exploitation of CVE-2024-0762 in the wild and no public exploit code.

Public exploit code: 2 proofs of concept on GitHub.

Sources

Also known as GHSA-cjqq-r96c-pwrf.

Is CVE-2024-0762 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free