CVE-2021-30796 Explained : Impact and Mitigation

A logic issue in Apple products has been addressed with improved validation. This CVE affects products like iOS, macOS, and Security Updates for Catalina and Mojave. Processing a malicious image could result in a denial of service.

Understanding CVE-2021-30796

This CVE relates to a logic issue in Apple products that could be exploited by processing a specially crafted image to cause a denial of service.

What is CVE-2021-30796?

CVE-2021-30796 is a logic issue in Apple products that could be triggered by processing a maliciously crafted image, potentially leading to a denial of service.

The Impact of CVE-2021-30796

The impact of this CVE is the potential denial of service when processing a specially crafted image on affected Apple products.

Technical Details of CVE-2021-30796

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability involves a logic issue that could be exploited by processing a malicious image, resulting in a denial of service.

Affected Systems and Versions

The vulnerability affects iOS versions less than 14.7, macOS versions less than 11.5, and Security Updates for Catalina and Mojave less than 2021.

Exploitation Mechanism

The vulnerability can be exploited by processing a specially crafted image on the affected Apple products.

Mitigation and Prevention

Mitigation steps and best practices to prevent exploitation of CVE-2021-30796.

Immediate Steps to Take

Users are advised to update their Apple devices to the latest versions to mitigate the risk of exploitation.

Long-Term Security Practices

Regularly update your Apple products and implement security best practices to enhance protection against potential vulnerabilities.

Patching and Updates

Apple has released fixes for this vulnerability in iOS 14.7, macOS Big Sur 11.5, Security Update 2021-004 for Catalina, and Security Update 2021-005 for Mojave.