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CVE

CVE-2023-40397

The issue was addressed with improved checks. This issue is fixed in macOS Ventura 13.5. A remote attacker may be able t

The issue was addressed with improved checks. This issue is fixed in macOS Ventura 13.5. A remote attacker may be able to cause arbitrary javascript code execution.

CRITICAL · CVSS 9.8 EPSS 0.01449
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
▤

Affected Products & Versions

3
apple macos< 13.5
webkitgtk< 2.40.5
wpewebkit wpe webkit< 2.40.5
◈

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

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 NVD06 Sep 2023 · 09:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

10
rhsaRHSA-2024:9679Important
rhsaRHSA-2024:9646Important
rhsaRHSA-2024:8496Important
rhsaRHSA-2024:9653Important
rhsaRHSA-2025:10364Important
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.openwall.com/lists/oss-security/2023/09/11/1Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/202401-04
https://support.apple.com/en-us/HT213843Release NotesVendor Advisory
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