CVE-2020-3897 Memory corruption in Safari
A type confusion vulnerability in Apple products allows remote attackers to execute arbitrary code via improved memory handling fixes.
- 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-2020-3897?
CVE-2020-3897 is a high-severity memory corruption vulnerability in Apple Icloud, published on 1 Apr 2020. 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 type confusion issue was addressed with improved memory handling. This issue is fixed in iOS 13.4 and iPadOS 13.4, tvOS 13.4, watchOS 6.2, Safari 13.1, iTunes for Windows 12.10.5, iCloud for Windows 10.9.3, iCloud for Windows 7.18. A remote attacker may be able to cause arbitrary code execution.
Weakness: CWE-843
Which versions are affected by CVE-2020-3897?
It affects 7 products.
Products include Apple Icloud, Apple Ipad Os, Apple Iphone Os, Apple Itunes, Apple Safari, Apple Tvos and 1 more.
How do I fix CVE-2020-3897?
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-2020-3897 being exploited?
There is no known exploitation of CVE-2020-3897 in the wild and no public exploit code.
Other vulnerabilities in Apple Icloud
Sources
Also known as DEBIAN-CVE-2020-3897, GHSA-gqfj-ph97-xjrx, UBUNTU-CVE-2020-3897.