Summaryinfo

A vulnerability labeled as problematic has been found in Wazuh 3.5.0/4.3.10. Affected by this vulnerability is an unknown functionality of the component authd. The manipulation results in out-of-bounds. This vulnerability was named CVE-2023-7340. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Wazuh 3.5.0/4.3.10. It has been classified as problematic. Affected is an unknown part of the component authd. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on availability. CVE summarizes:

Wazuh authd contains a heap-buffer overflow vulnerability that allows attackers to cause memory corruption and malformed heap data by sending specially crafted input. Attackers can exploit this vulnerability to trigger a denial of service condition, resulting in low availability impact to the authentication daemon.

The advisory is available at github.com. This vulnerability is traded as CVE-2023-7340 since 03/27/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-60542). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

• Wazuh

Version

• 3.5.0
• 4.3.10

Website

• Product: https://github.com/wazuh/wazuh/

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