CVE-2021-1818 Memory corruption in iOS and iPadOS
A remote attacker can cause unexpected application termination or arbitrary code execution due to a logic issue in Apple operating systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-1818?
CVE-2021-1818 is a critical memory corruption vulnerability in Apple Ipad Os, published on 2 Apr 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.
Which versions are affected by CVE-2021-1818?
It affects 6 products.
Products include Apple Ipad Os, Apple Iphone Os, Apple Mac Os X, Apple Macos, Apple Tvos, Apple Watchos.
How do I fix CVE-2021-1818?
No fix has been published for CVE-2021-1818 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-2021-1818 being exploited?
There is no known exploitation of CVE-2021-1818 in the wild and no public exploit code.
Other vulnerabilities in Apple Ipad Os
Sources
Also known as GHSA-5r6j-4xvp-4m98.