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Vulnerability DatabaseCVE-2023-42970

CVE-2023-42970: 
Apple Safari vulnerability analysis and mitigation

Overview

A use-after-free vulnerability (CVE-2023-42970) was discovered in WebKit, affecting multiple Apple operating systems including iOS 17, iPadOS 17, macOS Sonoma 14, watchOS 10, tvOS 17, and Safari 17. The vulnerability was discovered by 이준성(Junsung Lee) of Cross Republic and was addressed by Apple with improved memory management (Apple Support).

Technical details

The vulnerability is classified as a use-after-free issue in WebKit, Apple's browser engine. This type of vulnerability occurs when a program continues to use a pointer after it has been freed, potentially leading to arbitrary code execution. The issue was addressed by implementing improved memory management techniques. The vulnerability has been assigned a CVSS v3.1 base score of 8.8 (HIGH) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H (NVD).

Impact

When exploited, this vulnerability could allow processing web content to lead to arbitrary code execution. This means an attacker could potentially execute malicious code on affected devices when users process specially crafted web content (Apple Support).

Mitigation and workarounds

Apple has addressed this vulnerability in iOS 17 and iPadOS 17, macOS Sonoma 14, watchOS 10, tvOS 17, and Safari 17. Users are advised to update their devices to these versions to receive the security fix that implements improved memory management (Apple Support).

Additional resources

Source: This report was generated using AI

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