CVE-2018-4347 Use after free in iOS, macOS, tvOS, watchOS, iTunes for Windows, iCloud for Windows
Attackers can exploit a use-after-free flaw in Apple operating systems and applications to execute arbitrary code.
- 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-2018-4347?
CVE-2018-4347 is a high-severity use after free vulnerability in Apple Icloud, published on 3 Apr 2019. 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
A use after free issue was addressed with improved memory management. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5, iTunes 12.9 for Windows, iCloud for Windows 7.7.
Weakness: CWE-416
Which versions are affected by CVE-2018-4347?
It affects 6 products.
Products include Apple Icloud, Apple Iphone Os, Apple Itunes, Apple Mac Os X, Apple Tvos, Apple Watchos.
How do I fix CVE-2018-4347?
No fix has been published for CVE-2018-4347 yet. Limit exposure of the affected software until one is available.
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-2018-4347 being exploited?
There is no known exploitation of CVE-2018-4347 in the wild and no public exploit code.
Other vulnerabilities in Apple Icloud
Sources
Also known as GHSA-g8r9-562w-4xxf.