CVE-2020-9452 : Vulnerability Insights and Analysis

Acronis True Image 2020 24.5.22510 is affected by a vulnerability that allows unprivileged users to escalate privileges and write/overwrite arbitrary files in arbitrary folders.

Understanding CVE-2020-9452

This CVE involves a flaw in the anti_ransomware_service.exe component of Acronis True Image 2020, enabling unprivileged users to manipulate privileged write operations.

What is CVE-2020-9452?

The issue allows unprivileged users to control privileged write operations, potentially leading to arbitrary file manipulation and privilege escalation to SYSTEM level.

The Impact of CVE-2020-9452

The vulnerability enables unprivileged users to overwrite files in various directories, posing a significant security risk if exploited.

Technical Details of CVE-2020-9452

The technical aspects of the vulnerability in Acronis True Image 2020 24.5.22510.

Vulnerability Description

The flaw in anti_ransomware_service.exe allows unprivileged users to write/overwrite arbitrary files using SYSTEM privileges.
The quarantine feature, although not enabled by default, can be manipulated to copy files to the quarantine folder.

Affected Systems and Versions

Product: Acronis True Image 2020 24.5.22510
Vendor: Acronis
Versions: All versions are affected

Exploitation Mechanism

Unprivileged users can exploit the flaw by communicating with anti_ransomware_service.exe through its REST API.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2020-9452 vulnerability.

Immediate Steps to Take

Disable the quarantine feature if not in use to prevent unauthorized file manipulation.
Monitor and restrict access to the affected component to trusted users only.

Long-Term Security Practices

Regularly update Acronis True Image to the latest version to patch known vulnerabilities.
Implement the principle of least privilege to limit user access rights.

Patching and Updates

Apply patches and updates provided by Acronis to address the vulnerability and enhance system security.