CVE-2020-27948 : Security Advisory and Response

An out-of-bounds write issue in Apple products was addressed with improved bounds checking. This vulnerability could allow arbitrary code execution when processing a maliciously crafted audio file.

Understanding CVE-2020-27948

This CVE identifier pertains to a specific security vulnerability in Apple products that could lead to arbitrary code execution.

What is CVE-2020-27948?

CVE-2020-27948 is an out-of-bounds write issue that affects various Apple products, including iOS and iPadOS, tvOS, watchOS, and macOS.

The Impact of CVE-2020-27948

The vulnerability could be exploited by processing a specially crafted audio file, potentially resulting in arbitrary code execution on the affected devices.

Technical Details of CVE-2020-27948

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

Vulnerability Description

The vulnerability involves an out-of-bounds write issue that was mitigated through enhanced bounds checking.

Affected Systems and Versions

iOS and iPadOS versions less than 14.3
tvOS versions less than 14.3
watchOS versions less than 7.2
macOS versions less than 11.1

Exploitation Mechanism

Processing a maliciously crafted audio file triggers the vulnerability, potentially leading to arbitrary code execution.

Mitigation and Prevention

To address and prevent the exploitation of CVE-2020-27948, follow these steps:

Immediate Steps to Take

Update affected devices to the fixed versions: iOS 14.3 and iPadOS 14.3, tvOS 14.3, watchOS 7.2, macOS Big Sur 11.1
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
Exercise caution when downloading and opening files, especially from unfamiliar sources

Patching and Updates

Apply security updates and patches provided by Apple promptly to ensure protection against known vulnerabilities