CVE-2020-27924 : Exploit Details and Defense Strategies
Learn about CVE-2020-27924, an out-of-bounds read vulnerability in Apple products that could lead to arbitrary code execution. Find out affected systems, exploitation details, and mitigation steps.
An out-of-bounds read vulnerability affecting multiple Apple products has been addressed with improved input validation. This issue could allow an attacker to execute arbitrary code by processing a specially crafted image.
Understanding CVE-2020-27924
This CVE identifier pertains to a security vulnerability in various Apple operating systems that could lead to arbitrary code execution.
What is CVE-2020-27924?
CVE-2020-27924 is an out-of-bounds read vulnerability that could be exploited through the processing of a maliciously crafted image, potentially resulting in arbitrary code execution.
The Impact of CVE-2020-27924
The vulnerability could allow an attacker to execute arbitrary code on affected systems by exploiting the out-of-bounds read issue when processing a specially crafted image.
Technical Details of CVE-2020-27924
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability involves an out-of-bounds read that has been mitigated through enhanced input validation.
Affected Systems and Versions
- watchOS: Less than version 7.1
- iOS and iPadOS: Less than version 14.2
- tvOS: Less than version 14.2
- macOS: Less than versions 11.0 and 11.1
Exploitation Mechanism
The vulnerability can be exploited by processing a specially crafted image, triggering the out-of-bounds read and potentially leading to arbitrary code execution.
Mitigation and Prevention
To address CVE-2020-27924, users and organizations should take the following steps:
Immediate Steps to Take
- Update affected systems to the fixed versions mentioned below.
- Avoid processing images from untrusted or unknown sources.
Long-Term Security Practices
- Regularly update software and operating systems to the latest versions.
- Implement security best practices to prevent and detect similar vulnerabilities.
Patching and Updates
- 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
- tvOS 14.2