CVE-2018-4284 Memory corruption in iOS, tvOS, watchOS, Safari, iTunes for Windows, iCloud for Windows

High 8.8 Published Updated

A type confusion vulnerability in Apple operating systems and applications allows attackers to execute arbitrary code via improved memory handling fixes.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2018-4284?

CVE-2018-4284 is a high-severity memory corruption vulnerability in Apple Icloud, published on 3 Apr 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A type confusion issue was addressed with improved memory handling. This issue affected versions prior to iOS 11.4.1, tvOS 11.4.1, watchOS 4.3.2, Safari 11.1.2, iTunes 12.8 for Windows, iCloud for Windows 7.6.

Weakness: CWE-704

Which versions are affected by CVE-2018-4284?

It affects 6 products.

Products include Apple Icloud, Apple Iphone Os, Apple Itunes, Apple Safari, Apple Tvos, Apple Watchos.

How do I fix CVE-2018-4284?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-4284 being exploited?

There is no known exploitation of CVE-2018-4284 in the wild and no public exploit code.

All Apple Icloud vulnerabilities

Sources

Also known as DEBIAN-CVE-2018-4284, GHSA-vgc3-2w4v-5m3j, UBUNTU-CVE-2018-4284.

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