CVE-2019-8743 Memory corruption in watchOS
Attackers can execute arbitrary code on Apple Watch devices by tricking users into viewing maliciously crafted web content.
- 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-2019-8743?
CVE-2019-8743 is a high-severity memory corruption vulnerability in Apple Watchos, 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 watchOS 6.1. Processing maliciously crafted web content may lead to arbitrary code execution.
Weakness: CWE-787
Which versions are affected by CVE-2019-8743?
It affects 1 product.
Products include Apple Watchos.
How do I fix CVE-2019-8743?
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-2019-8743 being exploited?
There is no known exploitation of CVE-2019-8743 in the wild and no public exploit code.
Other vulnerabilities in Apple Watchos
Sources
Also known as DEBIAN-CVE-2019-8743, GHSA-vwxq-9822-h934, UBUNTU-CVE-2019-8743.