CVE-2018-4378 Memory corruption in iOS, tvOS, watchOS, Safari, iTunes for Windows, iCloud for Windows
A memory corruption vulnerability in Apple operating systems and applications allows attackers to execute arbitrary code via improved validation flaws.
- 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-2018-4378?
CVE-2018-4378 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 memory corruption issue was addressed with improved validation. This issue affected versions prior to iOS 12.1, tvOS 12.1, watchOS 5.1, Safari 12.0.1, iTunes 12.9.1, iCloud for Windows 7.8.
Weakness: CWE-119
Which versions are affected by CVE-2018-4378?
It affects 6 products.
Products include Apple Icloud, Apple Iphone Os, Apple Itunes, Apple Safari, Apple Tvos, Apple Watchos.
How do I fix CVE-2018-4378?
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-2018-4378 being exploited?
There is no known exploitation of CVE-2018-4378 in the wild and no public exploit code.
Other vulnerabilities in Apple Icloud
Sources
Also known as DEBIAN-CVE-2018-4378, GHSA-mwhw-h45q-m2rc, UBUNTU-CVE-2018-4378.