CVE-2018-7563 : Security Advisory and Response

A vulnerability has been found in GLPI up to version 9.2.1, allowing for cross-site scripting (XSS) attacks through the front/preference.php file.

Understanding CVE-2018-7563

This CVE identifies a security flaw in GLPI that enables attackers to execute malicious JavaScript code via a crafted URL.

What is CVE-2018-7563?

The vulnerability in GLPI up to version 9.2.1 allows authenticated users with debug privilege to unknowingly execute attacker-injected JavaScript code, leading to potential malicious activities.

The Impact of CVE-2018-7563

Exploiting this vulnerability can result in severe consequences, including unauthorized access, data theft, and manipulation of user actions.

Technical Details of CVE-2018-7563

This section delves into the specifics of the vulnerability.

Vulnerability Description

The issue lies in the front/preference.php file of GLPI, where attackers can leverage XSS via the query string to execute harmful JavaScript code.

Affected Systems and Versions

GLPI versions up to 9.2.1 are impacted by this vulnerability.

Exploitation Mechanism

By manipulating the query string in the front/preference.php file, attackers can inject malicious JavaScript code, which is executed when opened by an authenticated user with debug privilege.

Mitigation and Prevention

Protecting systems from CVE-2018-7563 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update GLPI to a patched version that addresses the XSS vulnerability.
Educate users on the risks of clicking on suspicious URLs.

Long-Term Security Practices

Implement strict input validation to prevent XSS attacks.
Regularly monitor and audit web application security.

Patching and Updates

Apply security patches provided by GLPI promptly to mitigate the vulnerability.