Apple fixed the tenth actively exploited zero-day this year

Apple rolled out security updates to iOS, iPadOS, macOS, tvOS, and Safari to fix a new actively exploited zero-day (CVE-2022-42856).

Apple released security updates to address a new zero-day vulnerability, tracked as CVE-2022-42856, that is actively exploited in attacks against iPhones.

The flaw is the tenth actively exploited zero-day vulnerability since the start of the year.

The IT giant released security bulletins for iOS/iPadOS 15.7.2, Safari 16.2, tvOS 16.2, and macOS Ventura 13.1. Apple addressed the vulnerability with improved state handling for the iPhone 6s (all models), iPhone 7 (all models), iPhone SE (1st generation), iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation).

The CVE-2022-42856 flaw is a type confusion issue that impacts the WebKit browser engine, an attacker can exploit the bug when processing specially crafted content to achieve arbitrary code execution.

“Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.1.” reads the advisory published by Apple. “A type confusion issue was addressed with improved state handling.”

The vulnerability was reported by Clément Lecigne of Google’s Threat Analysis Group. At this time there are no public details about the attacks exploiting the vulnerability.

Below are the other zero-day vulnerabilities addressed by Apple since January:

• January 2022: CVE-2022-22587 and CVE-2022-22594.
• February 2022: CVE-2022-22620.
• March 2022: CVE-2022-22674 and CVE-2022-22675.
• May 2022: CVE-2022-22675
• August 2022: CVE-2022-32894
• September 2022: CVE-2022-32917
• October 2022: CVE-2022-42827

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Pierluigi Paganini

(SecurityAffairs – hacking, Apple)

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