CVE-2020-3834 Memory corruption in watchOS
An application can execute arbitrary code with kernel privileges due to a memory corruption issue in Apple watchOS.
- 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-2020-3834?
CVE-2020-3834 is a high-severity memory corruption vulnerability in Apple Watchos, published on 27 Feb 2020. 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 state management. This issue is fixed in watchOS 6.1.2. An application may be able to execute arbitrary code with kernel privileges.
Weakness: CWE-787
Which versions are affected by CVE-2020-3834?
It affects 1 product.
Products include Apple Watchos.
How do I fix CVE-2020-3834?
No fix has been published for CVE-2020-3834 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-2020-3834 being exploited?
There is no known exploitation of CVE-2020-3834 in the wild and no public exploit code.
Other vulnerabilities in Apple Watchos
Sources
Also known as GHSA-5h6m-gmr5-q25w.