CVE-2022-35229 : Exploit Details and Defense Strategies

A reflected XSS vulnerability in the discovery page of Zabbix Frontend allows an authenticated user to create a malicious link with JavaScript code. This can be exploited when the victim has a known CSRF token.

Understanding CVE-2022-35229

This CVE-2022-35229 affects Zabbix Frontend versions 4.0.0 to 6.0.4, including some beta versions.

What is CVE-2022-35229?

An authenticated user can craft a link containing malicious JavaScript code for the Zabbix Frontend discovery page to execute the payload with the victim's CSRF token.

The Impact of CVE-2022-35229

The vulnerability poses a low severity risk with a CVSS base score of 3.7. Exploitation requires user interaction and can result in low confidentiality and integrity impacts.

Technical Details of CVE-2022-35229

Vulnerability Description

The issue arises from allowing authenticated users to inject JavaScript code into links on the discovery page, potentially leading to the execution of unauthorized actions.

Affected Systems and Versions

Zabbix Frontend versions 4.0.0 to 6.0.4, as well as versions 6.2alpha1 to 6.2beta3 are impacted by this reflected XSS vulnerability.

Exploitation Mechanism

Exploitation of this vulnerability requires an authenticated user to create a malicious link with JavaScript code for the discovery page, leveraging the victim's CSRF token.

Mitigation and Prevention

Immediate Steps to Take

To protect against exploitation, review and manage user access rights in Zabbix Frontend. Exercise caution with any links leading to the discoveryconf.php page, especially those with suspicious parameters.

Long-Term Security Practices

Stay vigilant for browser warnings and scrutinize all links received via email or other communication channels. Avoid clicking on suspicious links and refrain from filling out any attached forms.

Patching and Updates

To address the vulnerability, it is recommended to apply the available security updates promptly.