CVE-2020-9895 Use after free in Safari
A remote attacker can trigger a use-after-free flaw to cause application crashes or execute arbitrary code on Apple devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-9895?
CVE-2020-9895 is a critical use after free vulnerability in Apple Icloud, published on 16 Oct 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A use after free issue was addressed with improved memory management. This issue is fixed in iOS 13.6 and iPadOS 13.6, tvOS 13.4.8, watchOS 6.2.8, Safari 13.1.2, iTunes 12.10.8 for Windows, iCloud for Windows 11.3, iCloud for Windows 7.20. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.
Weakness: CWE-416
Which versions are affected by CVE-2020-9895?
It affects 7 products.
Products include Apple Icloud, Apple Ipados, Apple Iphone Os, Apple Itunes, Apple Safari, Apple Tvos and 1 more.
How do I fix CVE-2020-9895?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2020-9895 being exploited?
There is no known exploitation of CVE-2020-9895 in the wild and no public exploit code.
Other vulnerabilities in Apple Icloud
Sources
Also known as DEBIAN-CVE-2020-9895, GHSA-j4v5-6jrm-p9fx, UBUNTU-CVE-2020-9895.