CVE-2020-27930 : What You Need to Know

A memory corruption issue in Apple products has been identified and addressed with improved input validation. This vulnerability could potentially lead to arbitrary code execution when processing a maliciously crafted font.

Understanding CVE-2020-27930

This CVE entry pertains to a memory corruption vulnerability in various Apple products, potentially allowing arbitrary code execution.

What is CVE-2020-27930?

CVE-2020-27930 is a memory corruption issue in Apple products that could be exploited through the processing of a specially crafted font, leading to arbitrary code execution.

The Impact of CVE-2020-27930

The vulnerability poses a significant risk as it could allow attackers to execute arbitrary code on affected devices, compromising their security and integrity.

Technical Details of CVE-2020-27930

This section provides more in-depth technical information about the CVE-2020-27930 vulnerability.

Vulnerability Description

The vulnerability involves a memory corruption issue that arises due to inadequate input validation when processing certain fonts.

Affected Systems and Versions

The following Apple products and versions are affected by CVE-2020-27930:

watchOS < 7.1
iOS and iPadOS < 14.2
macOS < 11.0
macOS < 12.4
macOS < 6.2
macOS < 5.3
macOS < 2020
macOS < 10.15

Exploitation Mechanism

The vulnerability can be exploited by processing a specially crafted font, triggering the memory corruption issue and potentially leading to arbitrary code execution.

Mitigation and Prevention

To address and prevent the exploitation of CVE-2020-27930, users and administrators should take the following steps:

Immediate Steps to Take

Apply the necessary security updates provided by Apple for the affected products and versions.
Avoid opening or interacting with suspicious or untrusted fonts or files.
Monitor official Apple security advisories for any further updates or patches related to this vulnerability.

Long-Term Security Practices

Regularly update all Apple devices to the latest software versions to ensure protection against known vulnerabilities.
Implement robust security measures, such as firewalls and antivirus software, to enhance overall device security.

Patching and Updates

Install the following updates to mitigate CVE-2020-27930:
macOS Big Sur 11.0.1
watchOS 7.1
iOS 12.4.9
watchOS 6.2.9
Security Update 2020-006 High Sierra
Security Update 2020-006 Mojave
iOS 14.2 and iPadOS 14.2
watchOS 5.3.9
macOS Catalina 10.15.7 Supplemental Update
macOS Catalina 10.15.7 Update