Wazuh is a free and open source platform used for threat prevention, detection, and response. This bug introduced a stack overflow hazard that could allow a local privilege escalation. This vulnerability was patched in version 4.5.3.
Wazuh es una plataforma gratuita y de código abierto que se utiliza para la prevención, detección y respuesta a amenazas. Este error introdujo peligro por desbordamiento de pila que podría permitir una escalada de privilegios locales. Esta vulnerabilidad fue parcheada en la versión 4.5.3.
This vulnerability allows local attackers to escalate privileges on affected installations of Wazuh. Log Injection is required to exploit this vulnerability but attack vectors may vary depending on the implementation.
The specific flaw exists within the processing of the multilines log format. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before writing to memory. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of root.
