Home/CVE/A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.6.6, macOS
CVE

CVE-2022-22630

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.6.6, macOS

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.6.6, macOS Monterey 12.3, Security Update 2022-004 Catalina. A remote user may cause an unexpected app termination or arbitrary code execution.

CRITICAL · CVSS 9.8 EPSS 0.00518
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
▤

Affected Products & Versions

3
apple mac os xall versions
apple macos>= 11.0 and < 11.6.6
apple macos>= 12.0 and < 12.3
◈

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

9.8
CRITICAL · 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 NVD23 Jun 2023 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
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.
🔗

References & Sources

3
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/HT213183Release NotesVendor Advisory
https://support.apple.com/en-us/HT213255Release NotesVendor Advisory
https://support.apple.com/en-us/HT213256Release NotesVendor Advisory
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