CVE-2021-32578 : Security Advisory and Response

Acronis True Image prior to 2021 Update 4 for Windows allowed local privilege escalation due to improper soft link handling.

Understanding CVE-2021-32578

This CVE identifies a vulnerability in Acronis True Image software that could allow an attacker to escalate privileges on a Windows system.

What is CVE-2021-32578?

The CVE-2021-32578 vulnerability pertains to Acronis True Image versions prior to 2021 Update 4 for Windows. It specifically involves improper handling of soft links, leading to a local privilege escalation issue.

The Impact of CVE-2021-32578

If exploited, this vulnerability could enable a local attacker to elevate their privileges on the target Windows system, potentially leading to unauthorized access to sensitive information or the ability to execute malicious actions.

Technical Details of CVE-2021-32578

The technical details of CVE-2021-32578 include:

Vulnerability Description

The vulnerability arises from a flaw in the handling of soft links within Acronis True Image software, allowing an attacker to execute code with elevated privileges.

Affected Systems and Versions

Acronis True Image versions prior to 2021 Update 4 for Windows are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability locally, taking advantage of the soft link handling issue to escalate their privileges on the Windows system.

Mitigation and Prevention

To address CVE-2021-32578 and enhance system security, consider the following mitigation strategies:

Immediate Steps to Take

Update Acronis True Image software to version 2021 Update 4 or later to mitigate the vulnerability.
Monitor system activity for any signs of unauthorized privilege escalation.

Long-Term Security Practices

Regularly apply software updates and patches for all applications to prevent potential security vulnerabilities.
Employ the principle of least privilege to restrict user access rights and minimize the impact of privilege escalation attacks.

Patching and Updates

Stay informed about security advisories from Acronis and promptly apply patches or updates to address known vulnerabilities.