CVE-2023-43635 Vault Key Sealed With SHA1 PCRs

Vault Key Sealed With SHA1 PCRs The measured boot solution implemented in EVE OS leans on a PCR locking mechanism. Different parts of the system update different PCR values in the TPM, resulting in a unique value for each PCR entry. These PCRs are then used in order to seal/unseal a key from the...

CVE-2023-43635

Summary of CVE-2023-43635 / GHSA-4JVR-VJ2C-8Q37 : In EVE-OS measured boot, the vault key is sealed using SHA1 PCRs instead of SHA256 PCRs. The TPM PCRs that are used to seal/unseal the key for encrypting the vault directory may be SHA1-enabled while SHA256 PCRs are not consistently used, enabling...

PT-2023-28891

Name of the Vulnerable Software and Affected Versions EVE OS affected versions not specified Description The measured boot solution in EVE OS uses a PCR locking mechanism to protect the "vault" directory, which is the most sensitive point in the system. However, the key used to encrypt/decrypt th...