Apple Patches 3 More Zero-Days Under Active Attack

Apple has patched three actively exploited zero-day security vulnerabilities in updates to iOS and macOS, one of which can allow an attacker to execute arbitrary code with kernel privileges.

Apple released two updates on Thursday: iOS 12.5.5, which patches three zero-days that affect older versions of iPhone and iPod devices, and Security Update 2021-006 Catalina for macOS Catalina, which patches one of same vulnerabilities, CVE-2021-30869, that also affects macOS.

The XNU kernel vulnerability — the discovery of which was attributed to Google researchers Erye Hernandez and Clemente Lecigne of Google Threat Analysis Group and Ian Beer of Google Project Zero — is a type-confusion issue that Apple addressed with “improved state handling,” according to its advisory.

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Source: ThreatPost