CVE-2024-23286
📋 TL;DR
A buffer overflow vulnerability in Apple's image processing components allows arbitrary code execution when processing malicious images. This affects multiple Apple operating systems including macOS, iOS, iPadOS, watchOS, tvOS, and visionOS. Attackers can exploit this by tricking users into opening specially crafted image files.
💻 Affected Systems
- macOS
- iOS
- iPadOS
- watchOS
- tvOS
- visionOS
📦 What is this software?
Ipados by Apple
Ipados by Apple
Macos by Apple
macOS is Apple's desktop and laptop operating system powering Mac computers used by millions of professionals, developers, creative professionals, and enterprise users worldwide. Built on a Unix foundation with the Darwin kernel and modern Cocoa frameworks, macOS delivers a seamless ecosystem integr...
Learn more about Macos →Macos by Apple
macOS is Apple's desktop and laptop operating system powering Mac computers used by millions of professionals, developers, creative professionals, and enterprise users worldwide. Built on a Unix foundation with the Darwin kernel and modern Cocoa frameworks, macOS delivers a seamless ecosystem integr...
Learn more about Macos →Macos by Apple
macOS is Apple's desktop and laptop operating system powering Mac computers used by millions of professionals, developers, creative professionals, and enterprise users worldwide. Built on a Unix foundation with the Darwin kernel and modern Cocoa frameworks, macOS delivers a seamless ecosystem integr...
Learn more about Macos →Tvos by Apple
Watchos by Apple
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with kernel-level privileges leading to complete data theft, persistent backdoor installation, and lateral movement across networks.
Likely Case
Remote code execution with user privileges, allowing data exfiltration, ransomware deployment, or credential theft from the compromised device.
If Mitigated
Limited impact with proper network segmentation, application sandboxing, and user education preventing malicious image processing.
🎯 Exploit Status
Exploitation requires user interaction to process malicious images but no authentication. Buffer overflow exploitation typically requires specific knowledge of memory layout.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Monterey 12.7.4, macOS Ventura 13.6.5, macOS Sonoma 14.4, visionOS 1.1, iOS 17.4, iPadOS 17.4, watchOS 10.4, iOS 16.7.6, iPadOS 16.7.6, tvOS 17.4
Vendor Advisory: https://support.apple.com/en-us/HT214083
Restart Required: Yes
Instructions:
1. Open System Settings > General > Software Update. 2. Install available updates. 3. Restart device when prompted. For managed devices, use MDM tools to deploy updates.
🔧 Temporary Workarounds
Disable automatic image processing
allConfigure applications to not automatically process or preview image files from untrusted sources.
Application sandboxing enforcement
allEnsure all applications processing images run with minimal privileges using Apple's sandboxing features.
🧯 If You Can't Patch
- Implement strict email filtering to block suspicious image attachments
- Deploy endpoint protection with memory protection and exploit prevention capabilities
🔍 How to Verify
Check if Vulnerable:
Check current OS version against affected versions list. On macOS: About This Mac > macOS version. On iOS/iPadOS: Settings > General > About > Version.Check Version:
macOS: sw_vers -productVersion; iOS/iPadOS: Settings > General > About > Version (no CLI command available)Verify Fix Applied:
Verify OS version matches or exceeds patched versions listed in fix_official section.📡 Detection & Monitoring
Log Indicators:
- Crash reports from image processing applications
- Unexpected process creation from image viewers
- Memory access violation logs
Network Indicators:
- Unusual outbound connections after image file access
- DNS requests to suspicious domains following image processing
SIEM Query:
source="apple_system_logs" AND (process="image" OR process="preview") AND (event="crash" OR event="memory_violation")🔗 References
- http://seclists.org/fulldisclosure/2024/Mar/21
- http://seclists.org/fulldisclosure/2024/Mar/22
- http://seclists.org/fulldisclosure/2024/Mar/23
- http://seclists.org/fulldisclosure/2024/Mar/24
- http://seclists.org/fulldisclosure/2024/Mar/25
- http://seclists.org/fulldisclosure/2024/Mar/26
- https://support.apple.com/en-us/HT214081
- https://support.apple.com/en-us/HT214082
- https://support.apple.com/en-us/HT214083
- https://support.apple.com/en-us/HT214084
- https://support.apple.com/en-us/HT214085
- https://support.apple.com/en-us/HT214086
- https://support.apple.com/en-us/HT214087
- https://support.apple.com/en-us/HT214088
- http://seclists.org/fulldisclosure/2024/Mar/21
- http://seclists.org/fulldisclosure/2024/Mar/22
- http://seclists.org/fulldisclosure/2024/Mar/23
- http://seclists.org/fulldisclosure/2024/Mar/24
- http://seclists.org/fulldisclosure/2024/Mar/25
- http://seclists.org/fulldisclosure/2024/Mar/26
- https://support.apple.com/en-us/HT214081
- https://support.apple.com/en-us/HT214082
- https://support.apple.com/en-us/HT214083
- https://support.apple.com/en-us/HT214084
- https://support.apple.com/en-us/HT214085
- https://support.apple.com/en-us/HT214086
- https://support.apple.com/en-us/HT214087
- https://support.apple.com/en-us/HT214088
- https://support.apple.com/kb/HT214081
- https://support.apple.com/kb/HT214082
- https://support.apple.com/kb/HT214083
- https://support.apple.com/kb/HT214084
- https://support.apple.com/kb/HT214085
- https://support.apple.com/kb/HT214087
- https://support.apple.com/kb/HT214088
