CVE-2020-3853 : Security Advisory and Response
Learn about CVE-2020-3853, a type confusion vulnerability in Apple products. Find out how to mitigate the risk and protect your systems from arbitrary code execution.
A type confusion issue was addressed with improved memory handling. This issue affects various Apple products and versions.
Understanding CVE-2020-3853
What is CVE-2020-3853?
CVE-2020-3853 is a type confusion vulnerability that allows a malicious application to execute arbitrary code with system privileges.
The Impact of CVE-2020-3853
This vulnerability can be exploited by a malicious application to gain unauthorized access and execute code with elevated privileges on affected systems.
Technical Details of CVE-2020-3853
Vulnerability Description
The vulnerability arises from a type confusion issue that was resolved by enhancing memory handling in iOS, macOS, tvOS, and watchOS.
Affected Systems and Versions
- iOS and iPadOS versions less than 13.3.1
- macOS Catalina versions less than 10.15.3
- tvOS versions less than 13.3.1
- watchOS versions less than 6.1.2
Exploitation Mechanism
A malicious application can exploit this vulnerability to execute arbitrary code with system privileges on the affected Apple products.
Mitigation and Prevention
Immediate Steps to Take
- Update affected devices to the latest patched versions.
- Avoid downloading and running untrusted applications.
- Regularly monitor for security updates from Apple.
Long-Term Security Practices
- Implement strict application whitelisting policies.
- Conduct regular security audits and penetration testing.
- Educate users on safe application usage practices.
Patching and Updates
Apply the security patches provided by Apple for iOS, macOS, tvOS, and watchOS to mitigate the CVE-2020-3853 vulnerability.