CVE-2018-4456 Memory corruption in macOS
An attacker can exploit a memory corruption flaw in macOS to execute arbitrary code via improved input validation fixes.
- 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-2018-4456?
CVE-2018-4456 is a high-severity memory corruption vulnerability in Apple Mac Os X, 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 memory corruption issue was addressed with improved input validation. This issue affected versions prior to macOS High Sierra 10.13.6, macOS Mojave 10.14.
Weakness: CWE-119
Which versions are affected by CVE-2018-4456?
It affects 1 product.
Products include Apple Mac Os X.
How do I fix CVE-2018-4456?
No fix has been published for CVE-2018-4456 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-2018-4456 being exploited?
There is no known exploitation of CVE-2018-4456 in the wild and no public exploit code.
Other vulnerabilities in Apple Mac Os X
Sources
Also known as GHSA-fm4p-ch4x-36qc.