Home/CVE/An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in watchOS 9.6, macOS Big
CVE

CVE-2023-38604

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in watchOS 9.6, macOS Big

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in watchOS 9.6, macOS Big Sur 11.7.9, iOS 15.7.8 and iPadOS 15.7.8, macOS Monterey 12.6.8, tvOS 16.6, iOS 16.6 and iPadOS 16.6, macOS Ventura 13.5. An app may be able to execute arbitrary code with kernel privileges.

CRITICAL · CVSS 9.8 EPSS 0.00491
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

9
apple ipados< 15.7.8
apple ipados>= 16.0 and < 16.6
apple iphone os< 15.7.8
apple iphone os>= 16.0 and < 16.6
apple macos< 11.7.9
apple macos>= 12.0 and < 12.6.8
apple macos>= 13.0 and < 13.5
apple tvos< 16.6
◈

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 NVD28 Jul 2023 · 05:15 AM
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

14
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/HT213841Vendor Advisory
https://support.apple.com/en-us/HT213842Vendor Advisory
https://support.apple.com/en-us/HT213843Vendor Advisory
https://support.apple.com/en-us/HT213844Vendor Advisory
https://support.apple.com/en-us/HT213845Vendor Advisory
https://support.apple.com/en-us/HT213846Vendor Advisory
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