CVE-2022-26148 : Security Advisory and Response

An issue was discovered in Grafana through 7.3.4, when integrated with Zabbix, allowing unauthorized access to Zabbix account password and URL address.

Understanding CVE-2022-26148

This CVE highlights a vulnerability in Grafana versions up to 7.3.4 when used in conjunction with Zabbix integration.

What is CVE-2022-26148?

The vulnerability allows malicious users to extract the Zabbix password and URL address from the HTML source code of api_jsonrpc.php, compromising the Zabbix account's security.

The Impact of CVE-2022-26148

Exploitation of this vulnerability could lead to unauthorized access to sensitive Zabbix monitoring data and potential misuse of the compromised account.

Technical Details of CVE-2022-26148

This section provides more insight into the vulnerability's description, affected systems, and the exploitation mechanism.

Vulnerability Description

The issue arises from the exposure of the Zabbix password in the HTML source code, accessible through standard browser functionalities.

Affected Systems and Versions

Grafana versions up to 7.3.4 integrated with Zabbix are affected by this vulnerability.

Exploitation Mechanism

By right-clicking on the page after logging in and accessing the source code of api_jsonrpc.php, attackers can easily discover the Zabbix account password and URL.

Mitigation and Prevention

To safeguard against this vulnerability, immediate actions and long-term security practices should be implemented.

Immediate Steps to Take

Users are advised to avoid exposing sensitive information in HTML source code and consider securing access to Zabbix data through alternative means.

Long-Term Security Practices

Regular security audits, password policy enforcement, and monitoring of sensitive data exposure in application source code should be considered.

Patching and Updates

It is crucial to update Grafana to versions beyond 7.3.4 and configure secure integration practices to prevent further exploitation of this vulnerability.