High · published October 29, 2025
⚠️ A sneaky little buffer over-read could spill the beans! Before version 4.10.2, Wazuh fell prey to a crafty exploit that lets compromised agents read beyond their limits. 😱 Think of it like a waiter who accidentally opens a sealed envelope meant for the chef, revealing all the kitchen's secrets — a little mix-up that can expose sensitive information! An attacker could craft a message that makes Wazuh reveal information it shouldn't, potentially leaking sensitive data to the wrong hands. Fortunately, this vulnerability is rated low severity, so while it's concerning, the consequences aren't catastrophic — just a reminder to tighten up those processes!
Think of it like a waiter who accidentally opens a sealed envelope meant for the chef, revealing all the kitchen's secrets — a little mix-up that can expose sensitive information! This vulnerability arises from a buffer over-read in the DecodeWinevt() function of Wazuh, which occurs due to an incorrect index access. If specific debug options are enabled, a compromised agent can trigger this vulnerability through specially crafted messages sent to the Wazuh manager.
An attacker could craft a message that makes Wazuh reveal information it shouldn't, potentially leaking sensitive data to the wrong hands. Fortunately, this vulnerability is rated low severity, so while it's concerning, the consequences aren't catastrophic — just a reminder to tighten up those processes! Upgrade your Wazuh installation to version 4.10.2 immediately to close this loophole! Additionally, review your debug configurations to ensure sensitive data doesn't get exposed unintentionally. Regularly monitor and audit agent communications to further secure your setup. You've got this! By taking these steps, you're not just fixing the issue, you're also boosting your security hero status! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| wazuh/wazuh | < 4.10.2 | 4.10.2 |