CVE-2019-8542 Memory corruption in iCloud for Windows
A buffer overflow in Apple operating systems and applications allows malicious apps to elevate privileges.
- 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-2019-8542?
CVE-2019-8542 is a high-severity memory corruption vulnerability in Apple Icloud, published on 18 Dec 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 buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. A malicious application may be able to elevate privileges.
Weakness: CWE-120
Which versions are affected by CVE-2019-8542?
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-2019-8542?
No fix has been published for CVE-2019-8542 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-8542 being exploited?
There is no known exploitation of CVE-2019-8542 in the wild and no public exploit code.
Other vulnerabilities in Apple Icloud
Sources
Also known as GHSA-22w7-gmrw-m5qp.