Apple Multiple Products Type Confusion Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-05-04
• EPSS: 14% chance of exploitation in the next 30 days (higher than 97% of CVEs)

[ Description ]Official description

A type confusion issue was addressed with improved state handling. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0.3. Processing maliciously crafted web content may lead to arbitrary code execution.

CISA: A type confusion issue affecting multiple Apple products allows processing of maliciously crafted web content, leading to arbitrary code execution.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 25 May 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

• lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/messag…Broken LinkMailing List
• lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/messag…Broken LinkMailing List
• security.gentoo.org/glsa/202104-03Third Party Advisory
• support.apple.com/en-us/HT212146Release NotesVendor Advisory
• support.apple.com/en-us/HT212147Release NotesVendor Advisory
• support.apple.com/en-us/HT212148Release NotesVendor Advisory
• support.apple.com/en-us/HT212149Release NotesVendor Advisory
• support.apple.com/en-us/HT212152Release NotesVendor Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource