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  5. CVE-2023-43630

CVE-2023-43630: EVE Doesn't Measure Config Partition From 2 Fronts

February 4, 2026

PCR14 is not included in the list of PCRs that seal/unseal the vault key. Additionally, the vault key uses SHA1 PCRs instead of SHA256. Thus an attacker with physical access can take out the disk, use a different computer to modify the files in the /config partition, and re-insert the disk and boot without the change being detected by measured boot and remote attestation.

References

  • asrg.io/security-advisories/config-partition-not-measured-from-2-fronts
  • asrg.io/security-advisories/cve-2023-43630
  • github.com/advisories/GHSA-phcg-h58r-gmcq
  • github.com/lf-edge/eve
  • github.com/lf-edge/eve/commit/d9383a7ee4e1c39f5c8c6d4a63cb2ebd00695e8a
  • github.com/lf-edge/eve/security/advisories/GHSA-phcg-h58r-gmcq
  • help.zededa.com/hc/en-us/articles/43295940828827-TPM-PCR-Index-Security-Implications
  • nvd.nist.gov/vuln/detail/CVE-2023-43630

Code Behaviors & Features

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Affected versions

All versions before 0.0.0-20230126065759-d9383a7ee4e1

Fixed versions

  • 0.0.0-20230126065759-d9383a7ee4e1

Solution

Upgrade to version 0.0.0-20230126065759-d9383a7ee4e1 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-328: Use of Weak Hash
  • CWE-522: Insufficiently Protected Credentials

Source file

go/github.com/lf-edge/eve/CVE-2023-43630.yml

Spotted a mistake? Edit the file on GitLab.

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