Apple Multiple Products Integer Overflow Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2023-06-23
• EPSS: 52% chance of exploitation in the next 30 days (higher than 99% of CVEs)

[ Description ]Official description

An integer overflow was addressed with improved input validation. This issue is fixed in watchOS 9.5.2, macOS Big Sur 11.7.8, iOS 15.7.7 and iPadOS 15.7.7, macOS Monterey 12.6.7, watchOS 8.8.1, iOS 16.5.1 and iPadOS 16.5.1, macOS Ventura 13.4.1. An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.

CISA: Apple iOS. iPadOS, macOS, and watchOS contain an integer overflow vulnerability that could allow an application to execute code with kernel privileges.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 14 Jul 2023): Apply updates per vendor instructions.

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

• seclists.org/fulldisclosure/2023/Oct/20Mailing ListThird Party Advisory
• support.apple.com/en-us/HT213808Vendor Advisory
• support.apple.com/en-us/HT213809Vendor Advisory
• support.apple.com/en-us/HT213810Vendor Advisory
• support.apple.com/en-us/HT213811Vendor Advisory
• support.apple.com/en-us/HT213812Vendor Advisory
• support.apple.com/en-us/HT213813Vendor Advisory
• support.apple.com/en-us/HT213814Vendor Advisory
• support.apple.com/kb/HT213990Vendor Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource