CVE-2023-43636

Summary

CVE-2023-43636 is a vulnerability affecting EVE OS. The "measured boot" mechanism in EVE OS is designed to prevent a compromised device from accessing encrypted data in the vault. However, this mechanism does not validate the entire rootfs, allowing an attacker to edit the filesystem and gain control over the system. The default filesystem used by EVE OS is squashfs, which presents some difficulty for the attacker but can still be repackaged with malicious changes. This vulnerability poses a high risk to organizations as it allows an attacker to gain full control over the compromised system. Remediation measures should include validating the entire rootfs and implementing additional security measures to prevent unauthorized modifications.

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