CVE-2018-4315 Use after free in iOS, tvOS, Safari, iTunes for Windows, iCloud for Windows

High 8.8 Published Updated

A use-after-free vulnerability in Apple products allows attackers to execute arbitrary code via improved memory management 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-2018-4315?

CVE-2018-4315 is a high-severity use after free 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 use after free issue was addressed with improved memory management. This issue affected versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.

Weakness: CWE-416

Which versions are affected by CVE-2018-4315?

It affects 5 products.

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

How do I fix CVE-2018-4315?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2018-4315 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-4315 exists.

Public exploit code: 1 Exploit-DB entry.

All Apple Icloud vulnerabilities

Sources

Also known as DEBIAN-CVE-2018-4315, GHSA-78qj-jhvr-9x39, UBUNTU-CVE-2018-4315.

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