CVE-2018-4431 Information disclosure in iOS, macOS, tvOS, watchOS

Medium 5.5 Published 3 Apr 2019 Updated 5 Aug 2024

An attacker could potentially read sensitive memory contents due to improper memory initialization in Apple operating systems.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-4431?

CVE-2018-4431 is a medium-severity vulnerability in Apple Iphone Os, published on 3 Apr 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A memory initialization issue was addressed with improved memory handling. This issue affected versions prior to iOS 12.1.1, macOS Mojave 10.14.2, tvOS 12.1.1, watchOS 5.1.2.

Weakness: CWE-200

Which versions are affected by CVE-2018-4431?

It affects 4 products.

Products include Apple Iphone Os, Apple Mac Os X, Apple Tvos, Apple Watchos.

How do I fix CVE-2018-4431?

No fix has been published for CVE-2018-4431 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-4431 being exploited?

There is no known exploitation of CVE-2018-4431 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

All Apple Iphone Os vulnerabilities

Sources

Also known as GHSA-pfxg-6jmv-fx7w.