Apple Multiple Products Memory Corruption Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2024-03-06

[ Description ]Official description

A memory corruption issue was addressed with improved validation. This issue is fixed in iOS 16.7.8 and iPadOS 16.7.8, iOS 17.4 and iPadOS 17.4, macOS Monterey 12.7.6, macOS Sonoma 14.4, macOS Ventura 13.6.7, tvOS 17.4, visionOS 1.1, watchOS 10.4. An attacker with arbitrary kernel read and write capability may be able to bypass kernel memory protections. Apple is aware of a report that this issue may have been exploited.

CISA: Apple iOS, iPadOS, macOS, tvOS, and watchOS RTKit contain a memory corruption vulnerability that allows an attacker with arbitrary kernel read and write capability to bypass kernel memory protections.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 27 Mar 2024): Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• support.apple.com/en-us/120881Release NotesVendor Advisory
• support.apple.com/en-us/120882Release NotesVendor Advisory
• support.apple.com/en-us/120883Release NotesVendor Advisory
• support.apple.com/en-us/120893Release NotesVendor Advisory
• support.apple.com/en-us/120895Release NotesVendor Advisory
• support.apple.com/en-us/120898Release NotesVendor Advisory
• support.apple.com/en-us/120900Release NotesVendor Advisory
• support.apple.com/en-us/120910Release NotesVendor Advisory
• seclists.org/fulldisclosure/2024/Jul/20Mailing ListThird Party Advisory
• seclists.org/fulldisclosure/2024/Mar/18Mailing ListThird Party Advisory
• seclists.org/fulldisclosure/2024/Mar/21Mailing ListThird Party Advisory
• seclists.org/fulldisclosure/2024/Mar/24Mailing ListThird Party Advisory
• seclists.org/fulldisclosure/2024/Mar/25Mailing ListThird Party Advisory
• seclists.org/fulldisclosure/2024/Mar/26Mailing ListThird Party Advisory
• seclists.org/fulldisclosure/2024/May/11Mailing ListThird Party Advisory
• seclists.org/fulldisclosure/2024/May/13Mailing ListThird Party Advisory
• support.apple.com/en-us/HT214081Vendor Advisory
• support.apple.com/kb/HT214081Vendor Advisory
• support.apple.com/kb/HT214084Vendor Advisory
• support.apple.com/kb/HT214086Vendor Advisory
• support.apple.com/kb/HT214087Vendor Advisory
• support.apple.com/kb/HT214088Vendor Advisory
• support.apple.com/kb/HT214100Vendor Advisory
• support.apple.com/kb/HT214107Vendor Advisory
• support.apple.com/kb/HT214118Vendor Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource