CVE-2020-27908 : Security Advisory and Response

An out-of-bounds read vulnerability in Apple products could allow arbitrary code execution when processing a specially crafted audio file.

Understanding CVE-2020-27908

This CVE addresses a critical security issue in various Apple operating systems that could be exploited through malicious audio files.

What is CVE-2020-27908?

CVE-2020-27908 is an out-of-bounds read vulnerability that was fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, watchOS 7.1, and tvOS 14.2.

The Impact of CVE-2020-27908

The vulnerability could lead to arbitrary code execution by processing a maliciously crafted audio file, posing a significant security risk to affected systems.

Technical Details of CVE-2020-27908

This section provides detailed technical information about the vulnerability.

Vulnerability Description

An out-of-bounds read issue was resolved through enhanced input validation.

Affected Systems and Versions

watchOS: < 7.1
iOS and iPadOS: < 14.2
tvOS: < 14.2
macOS: < 11.0, < 11.1

Exploitation Mechanism

Processing a specially crafted audio file could trigger the vulnerability, potentially leading to arbitrary code execution.

Mitigation and Prevention

Protecting systems from CVE-2020-27908 requires immediate actions and long-term security measures.

Immediate Steps to Take

Apply the necessary security updates provided by Apple for the affected products and versions.
Avoid opening or playing audio files from untrusted or unknown sources.

Long-Term Security Practices

Regularly update all Apple devices to the latest software versions to ensure protection against known vulnerabilities.

Patching and Updates

Install macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, watchOS 7.1, and tvOS 14.2 to patch the vulnerability.