PT-2023-36620 · Go · Github.Com/Lf-Edge/Eve

Published

2023-09-21

·

Updated

2023-09-21

CVSS v3.1

7.8

High

VectorAV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Duplicate Advisory

This advisory has been withdrawn because it is a duplicate of GHSA-wc42-fcjp-v8vq. This link is maintained to preserve external references.

Original Description

Due to the implementation of "deriveVaultKey", prior to version 7.10, the generated vault key would always have the last 16 bytes predetermined to be "arfoobarfoobarfo".
This issue happens because "deriveVaultKey" calls "retrieveCloudKey" (which will always return "foobarfoobarfoobarfoobarfoobarfo" as the key), and then merges the 32byte randomly generated key with this key (by takeing 16bytes from each, see "mergeKeys").
This makes the key a lot weaker.
This issue does not persist in devices that were initialized on/after version 7.10, but devices that were initialized before that and updated to a newer version still have this issue.
Roll an update that enforces the full 32bytes key usage.

Fix

Using Hardcoded Credentials

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Weakness Enumeration

Related Identifiers

GHSA-HX74-4WMC-FWVF

Affected Products

Github.Com/Lf-Edge/Eve