CVE-2020-9961 Memory corruption in macOS
An out-of-bounds read in macOS allows arbitrary code execution via a maliciously crafted image.
- 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-2020-9961?
CVE-2020-9961 is a high-severity memory corruption vulnerability in Apple Icloud, published on 27 Oct 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 out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.7, Security Update 2020-005 High Sierra, Security Update 2020-005 Mojave. Processing a maliciously crafted image may lead to arbitrary code execution.
Weakness: CWE-125
Which versions are affected by CVE-2020-9961?
It affects 7 products.
Products include Apple Icloud, Apple Ipados, Apple Iphone Os, Apple Itunes, Apple Mac Os X, Apple Tvos and 1 more.
How do I fix CVE-2020-9961?
No fix has been published for CVE-2020-9961 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-2020-9961 being exploited?
There is no known exploitation of CVE-2020-9961 in the wild and no public exploit code.
Other vulnerabilities in Apple Icloud
Sources
Also known as GHSA-95xf-8mj3-fjrv.