CVE-2019-6234 Memory corruption in Safari
Processing maliciously crafted web content in Apple Safari and related products may lead to arbitrary code execution.
- 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-2019-6234?
CVE-2019-6234 is a high-severity memory corruption vulnerability in Apple Icloud, published on 5 Mar 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 memory handling. This issue is fixed in iOS 12.1.3, tvOS 12.1.2, Safari 12.0.3, iTunes 12.9.3 for Windows, iCloud for Windows 7.10. Processing maliciously crafted web content may lead to arbitrary code execution.
Weakness: CWE-787
Which versions are affected by CVE-2019-6234?
It affects 6 products.
Products include Apple Icloud, Apple Iphone Os, Apple Itunes, Apple Safari, Apple Tvos, Webkitgtk Webkitgtk\+.
How do I fix CVE-2019-6234?
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-2019-6234 being exploited?
There is no known exploitation of CVE-2019-6234 in the wild and no public exploit code.
Other vulnerabilities in Apple Icloud
Sources
Also known as DEBIAN-CVE-2019-6234, GHSA-9xvg-x75r-p5hp, UBUNTU-CVE-2019-6234.