CVE-2023-23529 is a high-severity vulnerability affecting various Apple products, including iOS, iPadOS, macOS, and Safari. This type confusion issue could lead to arbitrary code execution when processing malicious web content. Apple has acknowledged reports of active exploitation of this vulnerability. The issue impacts specific versions of the mentioned Apple products, making it crucial for users to update their systems to the latest versions for enhanced security.

How do I know if I'm affected?

If you're using an Apple device, you might be affected by the vulnerability if you're running specific versions of iOS, iPadOS, macOS, or Safari. The affected versions include iOS 15.7.4 and iPadOS 15.7.4, iOS 16.3.1 and iPadOS 16.3.1, macOS Ventura 13.2.1, and Safari 16.3. This vulnerability is a type confusion issue that could lead to arbitrary code execution when processing malicious web content. Apple is aware of reports that this issue has been actively exploited, so it's essential to know if your device is running one of these affected versions.

What should I do if I'm affected?

If you're affected by the CVE-2023-23529 vulnerability, it's important to update your Apple device to the latest version. For iOS and iPadOS, go to Settings > General > Software Update and install the update. For macOS, open System Preferences > Software Update and follow the prompts. For Safari, check for updates in the App Store. Updating your device will help protect against this vulnerability.

Is this in CISA’s Known Exploited Vulnerabilities Catalog?

The CVE-2023-23529 vulnerability, also known as "Apple Multiple Products WebKit Type Confusion Vulnerability," is listed in CISA's Known Exploited Vulnerabilities Catalog. It was added on February 14, 2023, with a due date of March 7, 2023. The required action is to apply updates according to vendor instructions, which involves updating your Apple device to the latest version to protect against this vulnerability.

Weakness enumeration

The weaness enumeration for this vulnerability is CWE-843, which is related to a type confusion issue, has been fixed in various Apple products like iOS, iPadOS, macOS, and Safari, preventing arbitrary code execution from malicious web content.

For more details

CVE-2023-23529 vulnerability poses a significant risk to affected Apple products, it's clear that updating to the latest versions is crucial for enhanced security. For a comprehensive understanding of the vulnerability, including its description, severity, technical details, and known affected software configurations, you can refer to the NVD page or the links below.

• NVD - CVE-2023-23529

• Security content of macOS Ventura 13.2.1

• Security content of iOS 16.3.1 and iPadOS 16.3.1

• Security content of Safari 16.3