Out-of-Bounds Memory Read in Zabbix via Script Item Preprocessing

Executive Summary

A Zabbix administrator can exploit a flaw in script item or preprocessing (JavaScript) HttpRequest logic to read out-of-bounds memory. This may result in unauthorized access to sensitive data, compromising confidentiality.

Useful 0 Not Useful 0

Detection Guidance

This vulnerability involves out-of-bounds memory read in Zabbix script item/preprocessing (JavaScript) HttpRequest logic. Detection requires checking Zabbix server and agent configurations for exposed JavaScript preprocessing rules or script items that may trigger this flaw. Review Zabbix frontend for any custom JavaScript preprocessing steps or script items using HttpRequest functions.

Useful 0 Not Useful 0

Impact Analysis

If you are a Zabbix administrator, an attacker could exploit this flaw to access sensitive information stored in memory, potentially leading to data breaches or unauthorized disclosure of confidential data.

Useful 0 Not Useful 0

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating GDPR and HIPAA compliance requirements. Organizations may face legal penalties, reputational damage, and loss of trust due to data exposure.

Useful 0 Not Useful 0

Mitigation Strategies

Update Zabbix to the latest patched version immediately to address the out-of-bounds memory read flaw in script item preprocessing. Disable JavaScript HttpRequest logic in scripts if not required. Restrict administrative access to Zabbix to minimize attack surface.

Useful 0 Not Useful 0