CVE-2022-44733 : Security Advisory and Response

This article provides detailed information about CVE-2022-44733, a vulnerability that allows local privilege escalation due to insecure folder permissions in Acronis Cyber Protect Home Office on Windows.

Understanding CVE-2022-44733

This section delves into what CVE-2022-44733 entails, its impact, technical details, and mitigation strategies.

What is CVE-2022-44733?

CVE-2022-44733 is a vulnerability found in Acronis Cyber Protect Home Office before build 39900 on Windows systems. It enables local attackers to escalate their privileges through insecure folder permissions.

The Impact of CVE-2022-44733

The vulnerability poses a high risk, with a CVSS base score of 7.3, classified as HIGH severity. Attackers can exploit this flaw to gain elevated privileges, compromising the security and integrity of the affected systems.

Technical Details of CVE-2022-44733

In this section, we'll explore the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The flaw arises from insecure folder permissions in Acronis Cyber Protect Home Office versions prior to build 39900. Attackers can leverage this to escalate their privileges locally on Windows systems.

Affected Systems and Versions

The vulnerability impacts Acronis Cyber Protect Home Office on Windows systems with versions below build 39900. It does not affect versions beyond this build.

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating folder permissions to gain unauthorized access and escalate their privileges on the target system.

Mitigation and Prevention

This section outlines the immediate steps to take, long-term security practices, and the importance of patching and updates.

Immediate Steps to Take

Users are urged to update Acronis Cyber Protect Home Office to build 39900 or later to mitigate the vulnerability. They should also review and adjust folder permissions to prevent unauthorized privilege escalation.

Long-Term Security Practices

Implementing the principle of least privilege, conducting regular security audits, and educating users on safe computing practices can enhance the overall security posture.

Patching and Updates

Regularly applying security patches and updates from Acronis is crucial to ensure that systems are protected against known vulnerabilities.