CVE-2023-29455 : What You Need to Know

A detailed overview of CVE-2023-29455 highlighting the vulnerability, impact, technical details, and mitigation steps.

Understanding CVE-2023-29455

CVE-2023-29455 involves a vulnerability in Zabbix that leads to reflected XSS attacks in various fields of a graph form.

What is CVE-2023-29455?

Reflected XSS attacks occur when a malicious script is reflected off a web application to the victim's browser through a link, exploiting vulnerabilities that allow execution of harmful scripts.

The Impact of CVE-2023-29455

The impact of this vulnerability is rated as medium severity, with low confidentiality, integrity impacts. Attack complexity is low, requiring low privileges, and user interaction is not necessary.

Technical Details of CVE-2023-29455

Learn more about the vulnerability's description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability allows for reflected XSS attacks in Zabbix's graph form fields, enabling execution of malicious scripts through crafted links.

Affected Systems and Versions

Zabbix versions 4.0.0 to 4.0.45 and 5.0.0 to 5.0.33 are affected, whereas versions 4.0.46rc1 and 5.0.35rc1 onward are unaffected.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious links that execute scripts within Zabbix's graph form fields.

Mitigation and Prevention

Discover immediate steps and long-term security practices to mitigate the risk posed by CVE-2023-29455.

Immediate Steps to Take

Ensure Zabbix is updated to the unaffected versions (4.0.46rc1 and 5.0.35rc1) and educate users on avoiding suspicious links.

Long-Term Security Practices

Implement proper input validation, regular security audits, and user training to prevent XSS vulnerabilities.

Patching and Updates

Stay informed about security patches from Zabbix and promptly apply updates to eliminate vulnerabilities.