Apple iOS, macOS, watchOS Sandbox Bypass Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-08-25

[ Description ]Official description

A deserialization issue was addressed through improved validation. This issue is fixed in Security Update 2021-005 Catalina, iOS 12.5.5, iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, watchOS 7.6.2. A sandboxed process may be able to circumvent sandbox restrictions. Apple was aware of a report that this issue may have been actively exploited at the time of release..

CISA: In affected versions of Apple iOS, macOS, and watchOS, a sandboxed process may be able to circumvent sandbox restrictions.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 15 Sep 2022): 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

• support.apple.com/en-us/HT212804Vendor Advisory
• support.apple.com/en-us/HT212805Vendor Advisory
• support.apple.com/en-us/HT212806Vendor Advisory
• support.apple.com/en-us/HT212807Vendor Advisory
• support.apple.com/en-us/HT212824Vendor Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource