CVE-2021-41162 : Vulnerability Insights and Analysis

Combodo iTop version 3.0.0 beta up to beta6 is vulnerable to cross-site scripting (XSS) attacks due to improper parameter escaping in the

ajax.render.php?operation=wizard_helper

page.

Understanding CVE-2021-41162

Combodo iTop, a web-based IT Service Management tool, is susceptible to a critical XSS vulnerability that requires user interaction for exploitation.

What is CVE-2021-41162?

Combodo iTop versions prior to beta6 of 3.0.0 can be exploited through a cross-site scripting attack on the

ajax.render.php?operation=wizard_helper

page.

The Impact of CVE-2021-41162

CVSS Base Score: 9.3 (Critical)
Vector String: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Severity: High impact on confidentiality and integrity with no privileges required for exploitation.
An attacker can execute arbitrary scripts in the context of the user's browser, compromising sensitive data.

Technical Details of CVE-2021-41162

This section provides insight into the vulnerability specifics.

Vulnerability Description

The issue arises from the lack of proper user input validation, enabling malicious script injection.

Affected Systems and Versions

Product: iTop
Vendor: Combodo
Versions Affected: >= 3.0.0-beta, < 3.0.0-beta6

Exploitation Mechanism

Attackers can leverage the vulnerability by manipulating user-supplied parameters to embed and execute malicious scripts in the application context.

Mitigation and Prevention

Preventive measures to secure systems and mitigate the risks associated with CVE-2021-41162.

Immediate Steps to Take

Upgrade iTop to a version beyond 3.0.0-beta6 that addresses the XSS vulnerability.
Regularly monitor and sanitize user inputs to prevent script injection.

Long-Term Security Practices

Conduct security training for developers on secure coding practices to prevent XSS vulnerabilities.

Patching and Updates

Stay informed about security advisories and promptly apply patches to address known vulnerabilities.