CVE-2022-4418 : Security Advisory and Response

This article provides details about CVE-2022-4418, a local privilege escalation vulnerability affecting Acronis Cyber Protect Home Office on Windows.

Understanding CVE-2022-4418

CVE-2022-4418 is a security vulnerability that can allow local attackers to elevate their privileges on Windows systems running Acronis Cyber Protect Home Office.

What is CVE-2022-4418?

The vulnerability in question arises from the unrestricted loading of unsigned libraries within the affected product, Acronis Cyber Protect Home Office.

The Impact of CVE-2022-4418

This vulnerability has a base score of 7.8, indicating a high severity level. Exploitation could result in local attackers gaining elevated privileges, posing a significant risk to affected systems.

Technical Details of CVE-2022-4418

Let's delve into the technical aspects of this vulnerability.

Vulnerability Description

The flaw allows malicious actors with local access to execute arbitrary code and potentially gain elevated privileges on the system.

Affected Systems and Versions

Acronis Cyber Protect Home Office on Windows systems before build 40208 are susceptible to this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by loading specially crafted, unsigned libraries to escalate their privileges on the affected system.

Mitigation and Prevention

Here are some steps to mitigate the risks associated with CVE-2022-4418.

Immediate Steps to Take

Users are advised to update Acronis Cyber Protect Home Office to at least build 40208 to address this vulnerability. Additionally, users should monitor for any unauthorized system changes.

Long-Term Security Practices

Implementing the principle of least privilege, regular security updates, and monitoring for suspicious activities can help enhance the overall security posture.

Patching and Updates

Regularly check for security advisories and patches from Acronis, ensuring that the software is up to date with the latest security fixes.