Stay informed about CVE-2023-29457, a vulnerability in Zabbix impacting versions 4.0.0 to 4.0.45, 5.0.0 to 5.0.34, and 6.0.0 to 6.0.17, allowing for Reflected XSS attacks. Learn the impact, technical details, and mitigation steps.
A detailed account of CVE-2023-29457 highlighting the vulnerability, impact, technical details, and mitigation steps.
Understanding CVE-2023-29457
Insufficient validation of Action form input fields can lead to Reflected Cross-Site Scripting (XSS) attacks, posing security risks.
What is CVE-2023-29457?
Reflected XSS attacks occur when a malicious script is reflected off a web application to the victim's browser, allowing for the execution of malicious scripts through vulnerable Action form fields.
The Impact of CVE-2023-29457
The impact of this CVE includes a medium severity level based on the CVSS v3.1 scoring, with low confidentiality, integrity, and availability impacts. It is classified under CAPEC-591 - Reflected XSS.
Technical Details of CVE-2023-29457
This section delves into the vulnerability description, affected systems, versions, and exploitation mechanism.
Vulnerability Description
The vulnerability arises from improper input validation in Action form fields, enabling attackers to execute malicious scripts on vulnerable websites.
Affected Systems and Versions
The vulnerability affects Zabbix versions 4.0.0 to 4.0.45, 5.0.0 to 5.0.34, and 6.0.0 to 6.0.17 in the Frontend module.
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious scripts into Action form fields and sending requests to websites with the said vulnerability.
Mitigation and Prevention
Explore the immediate steps to take and long-term security practices to mitigate the risks associated with CVE-2023-29457.
Immediate Steps to Take
Users are advised to update Zabbix to versions 4.0.46rc1, 5.0.35rc1, and 6.0.18rc1 or later to prevent exploitation of this vulnerability.
Long-Term Security Practices
Implement proper input validation mechanisms, secure coding practices, and regularly update systems to prevent XSS attacks and enhance overall security.
Patching and Updates
Stay informed about security patches and updates released by Zabbix to address vulnerabilities and enhance the security posture of your systems.