CVE-2020-3843 Memory corruption in iOS-1
A remote attacker can cause system termination or corrupt kernel memory due to a memory corruption issue in Apple iOS and watchOS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-3843?
CVE-2020-3843 is a high-severity memory corruption vulnerability in Apple Iphone Os, published on 27 Feb 2020. An attacker can exploit it over the internet without logging in, 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 iOS 12.4.7, watchOS 5.3.7. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.
Weakness: CWE-787
Which versions are affected by CVE-2020-3843?
It affects 2 products.
Products include Apple Iphone Os, Apple Watchos.
How do I fix CVE-2020-3843?
No fix has been published for CVE-2020-3843 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-2020-3843 being exploited?
There is no known exploitation of CVE-2020-3843 in the wild and no public exploit code.
Other vulnerabilities in Apple Iphone Os
Sources
Also known as GHSA-p4qp-fw5j-87q5.