High severity · published Oct 25, 2023
CVE-2023-40423
The issue was addressed with improved memory handling
7.8
CVSS
0.4%
EPSS
No
On KEV
Description
The issue was addressed with improved memory handling. This issue is fixed in iOS 17.1 and iPadOS 17.1, macOS Monterey 12.7.1, iOS 16.7.2 and iPadOS 16.7.2, macOS Ventura 13.6.1, macOS Sonoma 14.1. An app may be able to execute arbitrary code with kernel privileges.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 36% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
macOS · Apple
before 14.1; before 13.6; before 12.7 · source: vendor, NVD, CISA
IO
iOS · Apple
before 16.7.2; 17.0 before 17.1 · source: NVD
IA
iOS and iPadOS · Apple
before 16.7; before 17.1 · source: vendor, CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-40423
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-40423
Mailing List
http://seclists.org/fulldisclosure/2023/Oct/19
Mailing List
http://seclists.org/fulldisclosure/2023/Oct/21
Mailing List
http://seclists.org/fulldisclosure/2023/Oct/23
Mailing List
http://seclists.org/fulldisclosure/2023/Oct/24
Mailing List
http://seclists.org/fulldisclosure/2023/Oct/26
Release Notes
https://support.apple.com/en-us/HT213981
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