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Apple Patches Distant Code Execution Flaws in iOS, macOS

By Ionut Arghire on November 10, 2022

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Apple on Tuesday launched out-of-band patches for iOS and macOS, to handle two arbitrary code execution vulnerabilities within the libxml2 library.

Written within the C programming language and initially developed for the Gnome undertaking, libxml2 is a software program library for parsing XML paperwork.

Tracked as CVE-2022-40303 and CVE-2022-40304, the 2 vulnerabilities might result in distant code execution. Apple has credited Google Mission Zero safety researchers for each points.

“A distant consumer could possibly trigger surprising app termination or arbitrary code execution,” Apple notes for each safety flaws.

The primary of the failings exists as a result of the dearth of particular limitations might result in integer overflows. Based on Apple, improved enter validation resolved the difficulty.

In case of the second vulnerability, in particular circumstances, reminiscence errors akin to double-free bugs might emerge. Apple says that improved checks mounted the defect.

Apple addressed the failings with the discharge of macOS Ventura 13.0.1 and iOS 16.1.1 and iPadOS 16.1.1 (for iPhone eight and later, iPad Professional (all fashions), iPad Air third technology and later, iPad fifth gen and later, and iPad mini fifth gen and later).

Apple has made no point out of any of the vulnerabilities being exploited in assaults.

Nevertheless, proof-of-concept (PoC) code focusing on CVE-2022-40303, in addition to full technical particulars on CVE-2022-40304 have been printed on-line, which explains why Apple rushed the fixes.

Associated: Apple Rolls Out Xcode Replace Patching Git Vulnerabilities

Associated: Apple Fixes Exploited Zero-Day With iOS 16.1 Patch

Associated: Apple Warns of macOS Kernel Zero-Day Exploitation

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