CVE-2021-35312 : Vulnerability Insights and Analysis

A vulnerability was found in CIR 2000 / Gestionale Amica Prodigy v1.7 where the executable "RemoteBackup.Service.exe" has incorrect permissions, enabling a local unprivileged user to replace it with a malicious file that executes with "LocalSystem" privileges.

Understanding CVE-2021-35312

This section provides an overview of the CVE-2021-35312 vulnerability.

What is CVE-2021-35312?

The vulnerability in CIR 2000 / Gestionale Amica Prodigy v1.7 allows a local unprivileged user to replace the executable "RemoteBackup.Service.exe" with a malicious file that runs with elevated privileges.

The Impact of CVE-2021-35312

The impact could lead to privilege escalation, enabling attackers to execute arbitrary code with elevated permissions on the affected system.

Technical Details of CVE-2021-35312

This section delves into the technical aspects of CVE-2021-35312.

Vulnerability Description

The vulnerability arises from incorrect permissions on the executable, facilitating unauthorized replacement with a malicious file.

Affected Systems and Versions

CIR 2000 / Gestionale Amica Prodigy v1.7 is affected by this vulnerability.

Exploitation Mechanism

Attackers exploiting this vulnerability can replace the executable with a malicious file, allowing the execution of arbitrary commands with elevated privileges.

Mitigation and Prevention

In this section, we discuss steps to mitigate and prevent CVE-2021-35312.

Immediate Steps to Take

Immediately restrict access to the vulnerable executable and monitor for any suspicious activities.

Long-Term Security Practices

Implement the principle of least privilege and regularly update system permissions to prevent unauthorized file replacements.

Patching and Updates

Ensure timely patching of the affected system to fix the permissions vulnerability in the executable file.