High severity · published Feb 27, 2020
CVE-2020-3843
A memory corruption issue was addressed with improved input validation
8.8
CVSS
3.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.6% · higher than 89% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IO
iOS · Apple
before 12.4.7 · source: NVD
WA
Watchos · Apple
before 5.3.7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-3843
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-3843
Third Party Advisory
http://packetstormsecurity.com/files/162119/iOS-macOS-Radio-Proximity-Kernel-Memory-Corruption.html
Vendor Advisory
https://support.apple.com/HT211169
Vendor Advisory
https://support.apple.com/HT211176
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