CVE-2020-3875 : What You Need to Know
Learn about CVE-2020-3875, a validation issue in Apple operating systems that could allow unauthorized access to restricted memory. Find out the impacted systems and versions, exploitation mechanism, and mitigation steps.
A validation issue was addressed with improved input sanitization. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS Catalina 10.15.3, tvOS 13.3.1, watchOS 6.1.2. An application may be able to read restricted memory.
Understanding CVE-2020-3875
This CVE addresses a validation issue related to input sanitization across various Apple operating systems.
What is CVE-2020-3875?
CVE-2020-3875 is a vulnerability that could allow an application to read restricted memory due to a validation issue that has been resolved in specific Apple operating system versions.
The Impact of CVE-2020-3875
The vulnerability could potentially lead to unauthorized access to restricted memory, posing a risk to the confidentiality of sensitive information stored in affected devices.
Technical Details of CVE-2020-3875
This section provides more in-depth technical information about the CVE.
Vulnerability Description
The vulnerability stems from a validation issue that could be exploited by an application to access restricted memory on affected devices.
Affected Systems and Versions
The following Apple products and versions are impacted by CVE-2020-3875:
- iOS: Versions earlier than 13.3.1 and iPadOS 13.3.1
- macOS: Versions earlier than Catalina 10.15.3
- tvOS: Versions earlier than 13.3.1
- watchOS: Versions earlier than 6.1.2
Exploitation Mechanism
The vulnerability allows an application to bypass input sanitization measures, potentially leading to the unauthorized reading of restricted memory on the affected systems.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.
Immediate Steps to Take
- Update all affected Apple devices to the latest versions that include the security patches.
- Regularly monitor for any unusual activities that could indicate exploitation of the vulnerability.
Long-Term Security Practices
- Implement secure coding practices to prevent similar validation issues in future software development.
- Educate users on the importance of keeping their devices updated with the latest security patches.
Patching and Updates
Ensure that all Apple devices are regularly updated with the latest software versions that contain the necessary security fixes.