CVE-2019-8671 Memory corruption in Safari
Processing maliciously crafted web content may lead to arbitrary code execution via memory corruption in Apple operating systems and Safari.
- 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-2019-8671?
CVE-2019-8671 is a high-severity memory corruption vulnerability in Apple Icloud, published on 18 Dec 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
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, Safari 12.1.2, iTunes for Windows 12.9.6, iCloud for Windows 7.13, iCloud for Windows 10.6. Processing maliciously crafted web content may lead to arbitrary code execution.
Weakness: CWE-787
Which versions are affected by CVE-2019-8671?
It affects 6 products.
Products include Apple Icloud, Apple Iphone Os, Apple Itunes, Apple Mac Os X, Apple Safari, Apple Tvos.
How do I fix CVE-2019-8671?
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-2019-8671 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-8671 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Apple Icloud
Sources
Also known as DEBIAN-CVE-2019-8671, GHSA-mwvc-v6v5-5p39, UBUNTU-CVE-2019-8671.