Apple Rolls Out Safety Patches for Actively Exploited iOS Zero-Day Flaw



Oct 05, 2023NewsroomZero Day / Vulnerability

Zero-Day Flaw

Apple on Wednesday rolled out safety patches to handle a brand new zero-day flaw in iOS and iPadOS that it stated has come below lively exploitation within the wild.

Tracked as CVE-2023-42824, the kernel vulnerability could possibly be abused by an area attacker to raise their privileges. The iPhone maker stated it addressed the issue with improved checks.

“Apple is conscious of a report that this situation might have been actively exploited in opposition to variations of iOS earlier than iOS 16.6,” the corporate famous in a terse advisory.

Whereas further particulars in regards to the nature of the assaults and the identification of the risk actors perpetrating them are at present unknown, profitable exploitation seemingly hinges on an attacker already acquiring an preliminary foothold by another means.

Apple’s newest replace additionally resolves CVE-2023-5217 impacting the WebRTC part, which Google final week described as a heap-based buffer overflow within the VP8 compression format in libvpx.


The patches, iOS 17.0.3 and iPadOS 17.0.3, can be found for the next units –

iPhone XS and later
iPad Professional 12.9-inch 2nd technology and later, iPad Professional 10.5-inch, iPad Professional 11-inch 1st technology and later, iPad Air third technology and later, iPad sixth technology and later, and iPad mini fifth technology and later

With the brand new improvement, Apple has addressed a complete of 17 actively exploited zero-days in its software program because the begin of the 12 months.

It additionally arrives two weeks after Cupertino rolled out fixes to resolve three points (CVE-2023-41991, CVE-2023-41992, and CVE-2023-41993), all of that are stated to have been abused by an Israeli spy ware vendor named Cytrox to ship the Predator malware onto the iPhone belonging to former Egyptian member of parliament Ahmed Eltantawy earlier this 12 months.

A degree price noting right here is that CVE-2023-41992 additionally refers to a shortcoming within the kernel that permits native attackers to attain privilege escalation.

It isn’t instantly clear if the 2 flaws have any reference to each other, and if CVE-2023-42824 is a patch bypass for CVE-2023-41992.


Sekoia, in a current evaluation, stated it discovered infrastructure similarities between prospects of Cytrox (aka Lycantrox) and one other industrial spy ware firm known as Candiru (aka Karkadann), seemingly as a consequence of them utilizing each spy ware applied sciences.

“The infrastructure utilized by the Lycantrox consists of VPS hosted in a number of autonomous techniques,” the French cybersecurity agency stated, with every buyer showing to run their very own cases of VPS and handle their very own domains associated to it.

Customers who’re vulnerable to being focused are advisable to allow Lockdown Mode to cut back publicity to mercenary spy ware exploits.

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