CVE-2018-4242 Memory corruption in n/a

High 7.8 Published 8 Jun 2018 Updated 5 Aug 2024

Attackers can execute arbitrary code or cause denial of service via memory corruption in the macOS Hypervisor component using a crafted app.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2018-4242?

CVE-2018-4242 is a high-severity memory corruption vulnerability in Apple Mac Os X, published on 8 Jun 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

An issue was discovered in certain Apple products. macOS before 10.13.5 is affected. The issue involves the "Hypervisor" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.

Weakness: CWE-119

Which versions are affected by CVE-2018-4242?

It affects 1 product.

Products include Apple Mac Os X.

How do I fix CVE-2018-4242?

No fix has been published for CVE-2018-4242 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-2018-4242 being exploited?

There is no known exploitation of CVE-2018-4242 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

All Apple Mac Os X vulnerabilities

Sources

Also known as GHSA-7qqw-j836-w48c.