CVE-2020-27912 Memory corruption in iOS and iPadOS

High 7.8 Published Updated

Attackers can execute arbitrary code by tricking users into opening a maliciously crafted image on Apple operating systems.

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-2020-27912?

CVE-2020-27912 is a high-severity memory corruption vulnerability in Apple Icloud, published on 8 Dec 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

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, tvOS 14.2, iTunes 12.11 for Windows. Processing a maliciously crafted image may lead to arbitrary code execution.

Weakness: CWE-787

Which versions are affected by CVE-2020-27912?

It affects 7 products.

Products include Apple Icloud, Apple Ipados, Apple Iphone Os, Apple Itunes, Apple Macos, Apple Tvos and 1 more.

How do I fix CVE-2020-27912?

No fix has been published for CVE-2020-27912 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-2020-27912 being exploited?

There is no known exploitation of CVE-2020-27912 in the wild and no public exploit code.

All Apple Icloud vulnerabilities

Sources

Also known as GHSA-crrf-7wcm-2c9m.

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