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CVE

CVE-2024-27840

The issue was addressed with improved memory handling. This issue is fixed in iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and

The issue was addressed with improved memory handling. This issue is fixed in iOS 16.7.8 and iPadOS 16.7.8, iOS 17.5 and iPadOS 17.5, macOS Monterey 12.7.5, macOS Ventura 13.6.7, tvOS 17.5, visionOS 1.2, watchOS 10.5. An attacker that has already achieved kernel code execution may be able to bypass kernel memory protections.

MEDIUM · CVSS 6.3 EPSS 0.00016
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  • SSVC automatable: yes - attacks can be scripted at scale
Sigma rules8 YARA rules0
⬡

Weakness Classification

CWE-786Access of Memory Location Before Start of Buffer
▤

Affected Products & Versions

9
apple ipados< 16.7.8
apple ipados>= 17.0 and < 17.5
apple iphone os< 16.7.8
apple iphone os>= 17.0 and < 17.5
apple macos>= 12.0 and < 12.7.5
apple macos>= 13.0 and < 13.6.7
apple tvos< 17.5
apple visionos< 1.2
◈

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

6.3
MEDIUM · 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 NVD10 Jun 2024 · 09:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
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.
⚑

Vendor Advisories

7
apple-security120906
apple-security120905
apple-security120898
apple-security120900
apple-security120899
🔗

References & Sources

15
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://seclists.org/fulldisclosure/2024/Jun/5Mailing ListThird Party Advisory
https://support.apple.com/en-us/HT214100Vendor Advisory
https://support.apple.com/en-us/HT214101Vendor Advisory
https://support.apple.com/en-us/HT214102Vendor Advisory
https://support.apple.com/en-us/HT214104Vendor Advisory
https://support.apple.com/en-us/HT214105Vendor Advisory
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