CVE-2021-31002 Memory corruption in macOS

High 7.8 Published Updated

A malicious application can execute arbitrary code with system privileges due to an out-of-bounds read in macOS.

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-2021-31002?

CVE-2021-31002 is a high-severity memory corruption vulnerability in Apple Macos, published on 24 Aug 2021. 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 out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Monterey 12.0.1, macOS Big Sur 11.6.2. A malicious application may be able to execute arbitrary code with system privileges.

Weakness: CWE-125

Which versions are affected by CVE-2021-31002?

It affects 1 product.

Products include Apple Macos.

How do I fix CVE-2021-31002?

No fix has been published for CVE-2021-31002 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-2021-31002 being exploited?

There is no known exploitation of CVE-2021-31002 in the wild and no public exploit code.

All Apple Macos vulnerabilities

Sources

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