CVE-2020-3843

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.51% Top 20%
Vendor Advisory apple.com Vendor Advisory apple.com
Affected: Apple iOS-1
Affected: Apple watchOS-1
Published at:
Updated at:

References

Link Tags
https://support.apple.com/HT211169 vendor advisory
https://support.apple.com/HT211176 vendor advisory
http://packetstormsecurity.com/files/162119/iOS-macOS-Radio-Proximity-Kernel-Memory-Corruption.html vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-3843?
CVE-2020-3843 has been scored as a high severity vulnerability.
How to fix CVE-2020-3843?
To fix CVE-2020-3843, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-3843 being actively exploited in the wild?
It is possible that CVE-2020-3843 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-3843?
CVE-2020-3843 affects Apple iOS-1, Apple watchOS-1.
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