CVE-2021-44042 : Vulnerability Insights and Analysis

An issue was discovered in UiPath Assistant 21.4.4 where user-controlled data can lead to JavaScript execution in the Electron application.

Understanding CVE-2021-44042

What is CVE-2021-44042?

CVE-2021-44042 is a vulnerability in UiPath Assistant 21.4.4. It allows an attacker to inject content into error messages, potentially leading to JavaScript execution.

The Impact of CVE-2021-44042

The vulnerability can be exploited by a determined attacker to execute malicious JavaScript within the Electron application context.

Technical Details of CVE-2021-44042

Vulnerability Description

User-supplied data in the

--process-start

argument of the URI handler is not properly encoded, leading to content injection into error messages.

Affected Systems and Versions

Product: UiPath Assistant
Version: 21.4.4

Exploitation Mechanism

The vulnerability occurs when user-controlled data is not correctly encoded, enabling attackers to inject malicious content into error messages potentially leading to JavaScript execution.

Mitigation and Prevention

Immediate Steps to Take

Update UiPath Assistant to the latest version.
Avoid clicking on unknown or suspicious links.
Educate users about the risks of executing scripts from untrusted sources.

Long-Term Security Practices

Regularly review and update security configurations.
Implement input validation to prevent injection attacks.
Conduct security training for development teams.

Patching and Updates

Apply all security patches and updates provided by UiPath to address the vulnerability.