CVE-2019-8506 Apple Multiple Products Type Confusion

Exploited in the wild High 8.8 Published Updated

Attackers can execute arbitrary code by tricking users into visiting malicious web content in Safari or related Apple applications.

Exploited in the wild
Since 4 May 2022
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2019-8506?

CVE-2019-8506 is a high-severity memory corruption vulnerability in Apple Icloud, published on 18 Dec 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 is fixed in iOS 12.2, tvOS 12.2, watchOS 5.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. Processing maliciously crafted web content may lead to arbitrary code execution.

Weakness: CWE-843

Which versions are affected by CVE-2019-8506?

It affects 9 products.

Products include Apple Icloud, Apple Iphone Os, Apple Itunes, Apple Safari, Apple Tvos, Apple Watchos and 3 more.

How do I fix CVE-2019-8506?

Upgrade to a fixed version. US federal agencies must fix it by 25 May 2022.

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

Is CVE-2019-8506 being exploited?

Yes. Attackers have exploited CVE-2019-8506 in the wild since at least 4 May 2022.

Public exploit code: 1 Exploit-DB entry.

All Apple Icloud vulnerabilities

Sources

Also known as DEBIAN-CVE-2019-8506, GHSA-fg7h-q67h-82rg, UBUNTU-CVE-2019-8506.

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