CVE-2021-1775 : What You Need to Know

This CVE-2021-1775 article provides details about a vulnerability found in macOS that can result in arbitrary code execution when processing a maliciously crafted font. Learn more about the impact, affected systems, and mitigation steps below.

Understanding CVE-2021-1775

This section explains the vulnerability's description, impact, affected systems, and the steps to mitigate it.

What is CVE-2021-1775?

CVE-2021-1775 is a vulnerability in macOS that allows arbitrary code execution through the processing of a specifically crafted font.

The Impact of CVE-2021-1775

Exploiting this vulnerability may lead to arbitrary code execution, potentially compromising the security and integrity of affected systems.

Technical Details of CVE-2021-1775

In this section, explore the technical aspects of the vulnerability and understand how it affects systems.

Vulnerability Description

The vulnerability in macOS arises from processing a maliciously crafted font, enabling attackers to execute arbitrary code.

Affected Systems and Versions

macOS versions prior to 11.2 are affected by this vulnerability, including unspecified custom versions.

Exploitation Mechanism

Attackers can exploit this vulnerability by tricking users into processing a specially crafted font, leading to the execution of arbitrary code.

Mitigation and Prevention

Discover the steps to mitigate the risks associated with CVE-2021-1775 and prevent potential exploitation.

Immediate Steps to Take

Users should update their macOS to version 11.2 or apply Security Updates 2021-001 for Catalina and Mojave to protect against this vulnerability.

Long-Term Security Practices

Implementing secure font processing practices and regularly updating systems can help prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security patches and updates released by Apple to address known vulnerabilities and enhance system security.