CVE-2021-3747 : Vulnerability Insights and Analysis
Discover the impact of CVE-2021-3747, a MacOS Multipass vulnerability fixed in version 1.7.2. Learn about affected systems, exploitation, and mitigation steps.
A vulnerability has been identified in the MacOS version of Multipass, where version 1.7.0 was released with an incorrect owner for the application directory, impacting its security. Below is an overview of CVE-2021-3747 and its implications.
Understanding CVE-2021-3747
This section will cover what CVE-2021-3747 entails.
What is CVE-2021-3747?
The MacOS version of Multipass, specifically version 1.7.0, was found to have a flaw where the application directory was installed with an incorrect owner. This issue was rectified in version 1.7.2.
The Impact of CVE-2021-3747
The vulnerability could potentially lead to unauthorized access, compromising the confidentiality, integrity, and availability of the affected systems, posing a high risk to the security of users.
Technical Details of CVE-2021-3747
Delve into the technical aspects of CVE-2021-3747 below.
Vulnerability Description
CVE-2021-3747 is classified under CWE-732 - Incorrect Permission Assignment for Critical Resource due to the incorrect owner of the Multipass application directory.
Affected Systems and Versions
Canonical's Multipass version 1.7 is impacted by this vulnerability. Specifically, versions below 1.7.2 are affected.
Exploitation Mechanism
The vulnerability arises from the incorrect ownership settings of the application directory in Multipass, potentially exploited by threat actors for unauthorized access.
Mitigation and Prevention
Explore the necessary steps to mitigate and prevent the impact of CVE-2021-3747.
Immediate Steps to Take
Users are advised to update their Multipass installations to version 1.7.2 or above to eliminate the vulnerability and ensure the correct ownership of the application directory.
Long-Term Security Practices
Implementing proper access control and regular security audits can help prevent similar vulnerabilities in the future and enhance overall system security.
Patching and Updates
Stay informed about security updates from Canonical and promptly apply patches to address known vulnerabilities and improve the security posture of Multipass.