CVE-2021-30928 Memory corruption in macOS
Attackers can execute arbitrary code by tricking users into opening a maliciously crafted image 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-2021-30928?
CVE-2021-30928 is a high-severity memory corruption vulnerability in Apple Icloud, published on 24 Aug 2021. 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 input validation. This issue is fixed in macOS Big Sur 11.6, watchOS 8, tvOS 15, iOS 14.8 and iPadOS 14.8, iOS 15 and iPadOS 15. Processing a maliciously crafted image may lead to arbitrary code execution.
Weakness: CWE-787
Which versions are affected by CVE-2021-30928?
It affects 6 products.
Products include Apple Icloud, Apple Ipados, Apple Iphone Os, Apple Macos, Apple Tvos, Apple Watchos.
How do I fix CVE-2021-30928?
No fix has been published for CVE-2021-30928 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-2021-30928 being exploited?
There is no known exploitation of CVE-2021-30928 in the wild and no public exploit code.