Home/CVE/A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Monterey 12.6.8, iOS
CVE

CVE-2023-32433

A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Monterey 12.6.8, iOS

A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Monterey 12.6.8, iOS 15.7.8 and iPadOS 15.7.8, iOS 16.6 and iPadOS 16.6, tvOS 16.6, macOS Big Sur 11.7.9, macOS Ventura 13.5, watchOS 9.6. An app may be able to execute arbitrary code with kernel privileges.

HIGH · CVSS 7.8 EPSS 0.0007
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0

Weakness Classification

Affected Products & Versions

9
apple ipados< 15.7.8
apple ipados>= 16.0 and < 16.6
apple iphone os>= 16.0 and < 16.6
apple macos>= 11.0 and < 11.7.9
apple macos>= 12.0.0 and < 12.6.8
apple macos>= 13.0 and < 13.5

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSuspicious Microsoft Office Child Process - MacOS
producthighRemote Access Tool - Renamed MeshAgent Execution - MacOS
producthighBinary Padding - MacOS
productmediumSuspicious Execution via macOS Script Editor
productmediumSystem Information Discovery Via Sysctl - MacOS
productmediumNew File Exclusion Added To Time Machine Via Tmutil - MacOS

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · product-security@apple.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 Jul 2023 · 12:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://support.apple.com/en-us/HT213841Release NotesVendor Advisory
https://support.apple.com/en-us/HT213842Release NotesVendor Advisory
https://support.apple.com/en-us/HT213843Release NotesVendor Advisory
https://support.apple.com/en-us/HT213844Release NotesVendor Advisory
https://support.apple.com/en-us/HT213845Release NotesVendor Advisory
https://support.apple.com/en-us/HT213846Release NotesVendor Advisory
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