CVE-2020-27918 : Security Advisory and Response
Learn about CVE-2020-27918, a critical use after free vulnerability in Apple products that could lead to arbitrary code execution. Find out affected systems, exploitation details, and mitigation steps.
A use after free issue was addressed with improved memory management in various Apple products, potentially leading to arbitrary code execution.
Understanding CVE-2020-27918
This CVE addresses a critical vulnerability in multiple Apple operating systems and applications.
What is CVE-2020-27918?
CVE-2020-27918 is a use after free issue that could allow an attacker to execute arbitrary code by exploiting a memory management flaw in Apple products.
The Impact of CVE-2020-27918
The vulnerability could be exploited by processing maliciously crafted web content, leading to arbitrary code execution on affected systems.
Technical Details of CVE-2020-27918
This section provides more in-depth technical information about the vulnerability.
Vulnerability Description
A use after free issue was fixed with improved memory management in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2, iPadOS 14.2, iCloud for Windows 11.5, Safari 14.0.1, tvOS 14.2, and iTunes 12.11 for Windows.
Affected Systems and Versions
The following Apple products and versions are affected:
- watchOS less than 7.1
- iOS and iPadOS less than 14.2
- tvOS less than 14.2
- macOS less than 11.0, 12.11, 14.0, and 11.5
Exploitation Mechanism
Processing maliciously crafted web content is the primary exploitation method for this vulnerability, potentially resulting in arbitrary code execution.
Mitigation and Prevention
To address CVE-2020-27918, users and organizations should take the following steps:
Immediate Steps to Take
- Update affected Apple products to the fixed versions mentioned above.
- Avoid visiting untrusted websites or clicking on suspicious links.
- Regularly monitor Apple security advisories for any new updates.
Long-Term Security Practices
- Implement strong web browsing security practices.
- Educate users on recognizing and avoiding phishing attempts.
- Employ network and endpoint security solutions to detect and prevent malicious activities.
Patching and Updates
- Apply security patches promptly as they become available from Apple to mitigate the risk of exploitation.