High · published October 29, 2025
⚠️ A seemingly innocent message can turn into a remote code execution nightmare! Wazuh has a heap-based out-of-bounds WRITE vulnerability that could allow an attacker to mess with your system. 🔥 Think of it like a delivery driver who accidentally opens their cargo doors while driving, spilling sensitive packages everywhere — that’s what could happen if an attacker sends a malicious message to the Wazuh manager, exposing your system to chaos. An attacker with the ability to craft and send a message to the Wazuh manager could exploit this vulnerability to run arbitrary code, effectively taking control of your system. While the vulnerability isn’t currently exploited in the wild, the risk of a compromised agent could lead to devastating consequences.
Think of it like a delivery driver who accidentally opens their cargo doors while driving, spilling sensitive packages everywhere — that’s what could happen if an attacker sends a malicious message to the Wazuh manager, exposing your system to chaos. This CVE involves a heap-based out-of-bounds write in the decode_win_permissions function, where a NULL byte is written two bytes before the allocated buffer. This flaw allows an attacker to potentially execute arbitrary code remotely if they can send a specially crafted message to the Wazuh manager.
An attacker with the ability to craft and send a message to the Wazuh manager could exploit this vulnerability to run arbitrary code, effectively taking control of your system. While the vulnerability isn’t currently exploited in the wild, the risk of a compromised agent could lead to devastating consequences. To protect yourself, upgrade to Wazuh version 4.10.2 immediately. Ensure that your system is not vulnerable by reviewing your current version and apply necessary patches. Regularly audit your configuration to prevent malicious messages from reaching the Wazuh manager. You've got this! By taking these steps, you’ll bolster your defenses and keep your system safe! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| wazuh/wazuh | < 4.10.2 | 4.10.2 |