CVE-2018-4361 Denial of service in iOS, tvOS, watchOS, Safari, iTunes for Windows, iCloud for Windows
An attacker can cause a denial of service via memory consumption in Apple iOS, tvOS, watchOS, Safari, and related Windows applications.
- 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-2018-4361?
CVE-2018-4361 is a high-severity denial of service 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 memory consumption issue was addressed with improved memory handling. This issue affected versions prior to iOS 12, tvOS 12, watchOS 5, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.
Which versions are affected by CVE-2018-4361?
It affects 6 products.
Products include Apple Icloud, Apple Iphone Os, Apple Itunes, Apple Safari, Apple Tvos, Apple Watchos.
How do I fix CVE-2018-4361?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2018-4361 being exploited?
There is no known exploitation of CVE-2018-4361 in the wild and no public exploit code.
Other vulnerabilities in Apple Icloud
Sources
Also known as DEBIAN-CVE-2018-4361, GHSA-6wr3-pp75-368j, UBUNTU-CVE-2018-4361.