CVE-2023-32439 vulnerability in Apple Products
Published on June 23, 2023

A type confusion issue was addressed with improved checks. This issue is fixed in iOS 16.5.1 and iPadOS 16.5.1, iOS 15.7.7 and iPadOS 15.7.7, macOS Ventura 13.4.1, Safari 16.5.1. 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.

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Known Exploited Vulnerability

This Apple Multiple Products WebKit Type Confusion Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Apple iOS, iPadOS, macOS, and Safari WebKit contain a type confusion vulnerability that leads to code execution when processing maliciously crafted web content.

The following remediation steps are recommended / required by July 14, 2023: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2023-32439 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 2.8 out of four. The potential impact of an exploit of this vulnerability is considered to be very high.

What is an Object Type Confusion Vulnerability?

The program allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

CVE-2023-32439 has been classified to as an Object Type Confusion vulnerability or weakness.

Products Associated with CVE-2023-32439

You can be notified by stack.watch whenever vulnerabilities like CVE-2023-32439 are published in these products:

Apple iOS

Apple iPad OS

Apple Macos

Apple Safari

What versions are vulnerable to CVE-2023-32439?