CVE-2020-3871 Memory corruption in macOS

High 7.8 Published Updated

An attacker can execute arbitrary code with kernel privileges on macOS due to a memory corruption issue.

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-2020-3871?

CVE-2020-3871 is a high-severity memory corruption vulnerability in Apple Mac Os X, published on 27 Feb 2020. 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

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Catalina 10.15.3. An application may be able to execute arbitrary code with kernel privileges.

Weakness: CWE-787

Which versions are affected by CVE-2020-3871?

It affects 1 product.

Products include Apple Mac Os X.

How do I fix CVE-2020-3871?

No fix has been published for CVE-2020-3871 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-2020-3871 being exploited?

There is no known exploitation of CVE-2020-3871 in the wild and no public exploit code.

All Apple Mac Os X vulnerabilities

Sources

Also known as GHSA-9prc-mv9q-2crp.

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