CVE-2020-9989 : Exploit Details and Defense Strategies

CVE-2020-9989 is a vulnerability affecting Apple's watchOS, iOS and iPadOS, and macOS systems. The issue allows a local user to potentially access deleted messages.

Understanding CVE-2020-9989

This CVE entry addresses a security flaw in Apple's operating systems that could lead to unauthorized access to deleted messages by a local user.

What is CVE-2020-9989?

The vulnerability in CVE-2020-9989 involves a flaw that could enable a local user to discover deleted messages of another user on the affected Apple systems.

The Impact of CVE-2020-9989

The vulnerability could result in unauthorized access to sensitive information, potentially compromising user privacy and confidentiality.

Technical Details of CVE-2020-9989

CVE-2020-9989 pertains to the following technical aspects:

Vulnerability Description

The issue was resolved by enhancing the deletion process in macOS Big Sur 11.0.1, watchOS 7.0, iOS 14.0, and iPadOS 14.0. The vulnerability allowed a local user to access deleted messages.

Affected Systems and Versions

watchOS: Versions prior to 7.0
iOS and iPadOS: Versions prior to 14.0
macOS: Versions prior to 11.0

Exploitation Mechanism

The vulnerability could be exploited by a local user to gain access to deleted messages, potentially breaching user privacy.

Mitigation and Prevention

To address CVE-2020-9989, users and administrators can take the following steps:

Immediate Steps to Take

Update affected systems to macOS Big Sur 11.0.1, watchOS 7.0, iOS 14.0, and iPadOS 14.0 to mitigate the vulnerability.
Regularly monitor for security updates from Apple and apply them promptly.

Long-Term Security Practices

Educate users on secure deletion practices to minimize the risk of unauthorized access to deleted data.
Implement access controls and user permissions to restrict unauthorized access to sensitive information.

Patching and Updates

Stay informed about security advisories and patches released by Apple to address vulnerabilities promptly.