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  5. CVE-2023-43634

CVE-2023-43634: EVE Doesn't Protect Config Partition with Measured Boot

February 4, 2026

Config partition measurement was moved from PCR 13 to PCR 14 in a commit, but PCR 14 was not added to the list of PCRs that seal/unseal the vault key. As a result, an attacker can remove the disk, use another server to modify the files in the config partition, and then re-insert the disk.

References

  • asrg.io/security-advisories/config-partition-not-protected-by-measured-boot
  • asrg.io/security-advisories/cve-2023-43634
  • github.com/advisories/GHSA-wc42-fcjp-v8vq
  • github.com/lf-edge/eve
  • github.com/lf-edge/eve/security/advisories/GHSA-wc42-fcjp-v8vq
  • nvd.nist.gov/vuln/detail/CVE-2023-43634

Code Behaviors & Features

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Affected versions

All versions before 0.0.0-20230519072751-977f42b07fa9

Fixed versions

  • 0.0.0-20230519072751-977f42b07fa9

Solution

Upgrade to version 0.0.0-20230519072751-977f42b07fa9 or above.

Impact 8.8 HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-522: Insufficiently Protected Credentials
  • CWE-922: Insecure Storage of Sensitive Information

Source file

go/github.com/lf-edge/eve/CVE-2023-43634.yml

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