Heap Data Leak in Zabbix Server Duktape Engine

Executive Summary

This vulnerability exists in the JavaScript preprocessing engine (Duktape) of the Zabbix server. A limited administrator account can read raw heap data, potentially accessing sensitive information from other running preprocessors that should not be visible to them.

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Detection Guidance

This vulnerability involves a limited administrator reading raw heap data from Zabbix server's Duktape engine. Detection requires checking Zabbix server logs for unusual data access patterns or unauthorized memory reads. No specific commands are provided in the context to detect this issue.

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Impact Analysis

An attacker with limited administrator privileges could exploit this to access confidential data from other processes, leading to unauthorized information disclosure. This could include sensitive configuration details or user data handled by other preprocessors.

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Compliance Impact

This vulnerability could lead to unauthorized data exposure, violating GDPR's data protection principles or HIPAA's confidentiality requirements. Organizations may face compliance violations, legal penalties, and reputational damage if exploited.

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Mitigation Strategies

Update Zabbix server to the latest patched version to address the Duktape engine vulnerability. Restrict administrator privileges to only necessary users and monitor for unusual heap data access patterns.

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