// For flags

CVE-2024-32038

Wazuh Analysis Engine Event Decoder Heap-based Buffer Overflow Remote Code Execution Vulnerability

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

Wazuh is a free and open source platform used for threat prevention, detection, and response. There is a buffer overflow hazard in wazuh-analysisd when handling Unicode characters from Windows Eventchannel messages. It impacts Wazuh Manager 3.8.0 and above. This vulnerability is fixed in Wazuh Manager 4.7.2.

Wazuh es una plataforma gratuita y de código abierto que se utiliza para la prevención, detección y respuesta a amenazas. Existe un riesgo de desbordamiento del búfer en wazuh-analysisd cuando se manejan caracteres Unicode de mensajes de Windows Eventchannel. Afecta a Wazuh Manager 3.8.0 y superiores. Esta vulnerabilidad se solucionó en Wazuh Manager 4.7.2.

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Wazuh. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the Analysis Engine service, which listens on TCP port 1514 by default. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the service account.

*Credits: @d0ntrash
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2024-04-09 CVE Reserved
  • 2024-04-19 CVE Published
  • 2024-04-29 EPSS Updated
  • 2024-08-02 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-122: Heap-based Buffer Overflow
CAPEC
References (1)
URL Tag Source
https://github.com/wazuh/wazuh/security/advisories/GHSA-fcpw-v3pg-c327 X_refsource_confirm
URL Date SRC
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Wazuh
Search vendor "Wazuh"
 Wazuh
Search vendor "Wazuh" for product "Wazuh"
 >= 3.8.0 < 4.7.2
Search vendor "Wazuh" for product "Wazuh" and version " >= 3.8.0 < 4.7.2"
en
Affected