CVE-2020-27911 Integer overflow in iOS and iPadOS
A remote attacker can trigger an integer overflow to cause application termination or execute arbitrary code on Apple devices.
- 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-2020-27911?
CVE-2020-27911 is a high-severity vulnerability in Apple Icloud, published on 8 Dec 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
An integer overflow was addressed through improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, tvOS 14.2, iTunes 12.11 for Windows. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.
Weakness: CWE-190
Which versions are affected by CVE-2020-27911?
It affects 7 products.
Products include Apple Icloud, Apple Ipados, Apple Iphone Os, Apple Itunes, Apple Macos, Apple Tvos and 1 more.
How do I fix CVE-2020-27911?
No fix has been published for CVE-2020-27911 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-27911 being exploited?
There is no known exploitation of CVE-2020-27911 in the wild and no public exploit code.
Other vulnerabilities in Apple Icloud
Sources
Also known as GHSA-hf7r-8668-4mm7.