Vault Key Partially Predetermined
CVE-2023-43637

7.8HIGH

Key Information:

Vendor

Lf-edge, Zededa

Status
Eve Os
Vendor
CVE Published:
21 September 2023

What is CVE-2023-43637?

The vulnerability arises from the improper implementation of the 'deriveVaultKey' function, which generates a vault key that is compromised due to predetermining the last 16 bytes. Specifically, previous versions of the software (before version 7.10) merge a weak, fixed key with a randomly generated 16-byte key. Devices initialized before version 7.10 remain susceptible to this weakness even after updating, creating potential security risks for sensitive data management.

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Affected Version(s)

EVE OS 0 < 7.10

References

https://asrg.io/security-advisories/cve-2023-43637/

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ilay Levi
JSON
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