QID 150698

Date Published: 2023-08-17

QID 150698: Zabbix Improper Input Validation Vulnerability (CVE-2023-29451)

Zabbix is an open-source software tool to monitor IT infrastructure such as networks, servers, virtual machines, and cloud services.

Specially crafted string can cause a buffer overrun in the JSON parser library leading to a crash of the Zabbix Server or a Zabbix Proxy.

Affected version:
Zabbix before version 6.0.14
Zabbix version from 6.4.2 to 6.4.4

QID Detection Logic (Unauthenticated):
This QID sends a HTTP POST request to "api_jsonrpc.php" endpoint and checks the response body to confirm if the host is running vulnerable version of Zabbix Server.

Successful exploitation of the vulnerability can allow an attacker to crash the Zabbix server.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as High - 7.8 severity.
    • Solution
    Customers are advised to upgrade Zabbix to new version to remediate this vulnerability. For more information please refer to ZBX-22587.

    Vendor References

    CVEs related to QID 150698

    CVE-2023-29451 |
    Software Advisories
    Advisory ID Software Component Link
    ZBX-22587 URL Logo support.zabbix.com/browse/ZBX-22587
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