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

Critical
vikman90 published GHSA-fcpw-v3pg-c327 Apr 19, 2024

Package

wazuh-manager

Affected versions

≥ 3.8.0

Patched versions

≥ 4.7.2

Description

Impact

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.

Patches

We expect to fix this issue in Wazuh Manager 4.7.2.

Workarounds

The only workaround is to prevent agents 3.8+ from reporting Eventchannel messages.

References

ZDI-CAN-22475

Credits

Vulnerability discovered by @d0ntrash working with Trend Micro Zero Day Initiative.

Severity

Critical
9.8
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE ID

CVE-2024-32038

Weaknesses

Credits