CVE-2021-30880 Information disclosure in macOS

High 7.1 Published Updated

An out-of-bounds read in macOS allows attackers to disclose process memory or cause application termination via a maliciously crafted AppleScript binary.

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-2021-30880?

CVE-2021-30880 is a high-severity vulnerability in Apple Mac Os X, 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 bounds checking. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. Processing a maliciously crafted AppleScript binary may result in unexpected application termination or disclosure of process memory.

Weakness: CWE-125

Which versions are affected by CVE-2021-30880?

It affects 2 products.

Products include Apple Mac Os X, Apple Macos.

How do I fix CVE-2021-30880?

No fix has been published for CVE-2021-30880 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-30880 being exploited?

There is no known exploitation of CVE-2021-30880 in the wild and no public exploit code.

All Apple Mac Os X vulnerabilities

Sources

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