CVE-2020-3858 : Security Advisory and Response
Learn about CVE-2020-3858, a memory corruption issue in iOS and iPadOS allowing arbitrary code execution with kernel privileges. Find out how to mitigate and prevent this vulnerability.
A memory corruption issue in iOS and iPadOS has been addressed with improved memory handling, fixing the vulnerability in versions less than iOS 13.3.1 and iPadOS 13.3.1. This could allow an application to execute arbitrary code with kernel privileges.
Understanding CVE-2020-3858
This CVE involves a memory corruption vulnerability in iOS and iPadOS that could lead to arbitrary code execution with kernel privileges.
What is CVE-2020-3858?
CVE-2020-3858 is a memory corruption issue in iOS and iPadOS that has been patched in versions iOS 13.3.1 and iPadOS 13.3.1. It allows an application to potentially run arbitrary code with kernel privileges.
The Impact of CVE-2020-3858
The vulnerability could be exploited by a malicious application to execute arbitrary code with elevated kernel privileges on affected devices.
Technical Details of CVE-2020-3858
This section provides more technical insights into the CVE.
Vulnerability Description
The vulnerability stems from a memory corruption issue in iOS and iPadOS, which has been mitigated through enhanced memory handling.
Affected Systems and Versions
- Product: iOS
- Vendor: Apple
- Versions Affected: Less than iOS 13.3.1 and iPadOS 13.3.1
Exploitation Mechanism
The vulnerability could be exploited by a malicious application to trigger memory corruption and execute arbitrary code with kernel privileges.
Mitigation and Prevention
Protecting your systems from CVE-2020-3858 is crucial to maintaining security.
Immediate Steps to Take
- Update affected devices to iOS 13.3.1 and iPadOS 13.3.1 to patch the vulnerability.
- Avoid downloading apps from untrusted sources to minimize the risk of exploitation.
Long-Term Security Practices
- Regularly update your devices to the latest software versions to ensure protection against known vulnerabilities.
- Implement security best practices such as using strong passwords and enabling two-factor authentication.
Patching and Updates
- Stay informed about security updates released by Apple and promptly apply them to your devices to stay protected.