{"cve":"CVE-2023-43630","nvd":{"published":"2023-09-20T15:15:11.877","modified":"2026-06-17T06:26:06.560","status":"Modified","description":"PCR14 is not in the list of PCRs that seal/unseal the “vault” key, but\ndue to the change that was implemented in commit\n“7638364bc0acf8b5c481b5ce5fea11ad44ad7fd4”, fixing this issue alone would not solve the\nproblem of the config partition not being measured correctly.\n\nAlso, the “vault” key is sealed/unsealed with SHA1 PCRs instead of\nSHA256. \nThis issue was somewhat mitigated due to all of the PCR extend functions\nupdating both the values of SHA256 and SHA1 for a given PCR ID.\n\nHowever, due to the change that was implemented in commit\n“7638364bc0acf8b5c481b5ce5fea11ad44ad7fd4”, this is no longer the case for PCR14, as\nthe code in “measurefs.go” explicitly updates only the SHA256 instance of PCR14, which\nmeans that even if PCR14 were to be added to the list of PCRs sealing/unsealing the “vault”\nkey, changes to the config partition would still not be measured.\n\n\n\nAn attacker could modify the config partition without triggering the measured boot, this could\nresult in the attacker gaining full control over the device with full access to the contents of the\nencrypted “vault”","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","score":8.8},"cwes":["CWE-522","CWE-328","CWE-922"],"references":["https://asrg.io/security-advisories/cve-2023-43630/","https://asrg.io/security-advisories/cve-2023-43630/"],"products":["linuxfoundation:edge_virtualization_engine"],"source":"nvd","synced_at":"2026-10-19T21:39:24.235896374+00:00"},"epss":{"cve":"CVE-2023-43630","score":0.00113,"percentile":0.01419,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-phcg-h58r-gmcq","url":"https://osv.dev/vulnerability/GHSA-phcg-h58r-gmcq","summary":"EVE Doesn't Measure Config Partition From 2 Fronts","modified":"2026-02-05T04:11:17.319320Z","packages":[{"ecosystem":"Go","name":"github.com/lf-edge/eve","purl":"pkg:golang/github.com/lf-edge/eve","ranges":["<0.0.0-20230126065759-d9383a7ee4e1"],"fixed":["0.0.0-20230126065759-d9383a7ee4e1"]}]},{"id":"GO-2026-4430","url":"https://osv.dev/vulnerability/GO-2026-4430","summary":"EVE Doesn't Measure Config Partition From 2 Fronts in github.com/lf-edge/eve","modified":"2026-02-05T04:11:17.319320Z","packages":[{"ecosystem":"Go","name":"github.com/lf-edge/eve","purl":"pkg:golang/github.com/lf-edge/eve","ranges":["<0.0.0-20230126065759-d9383a7ee4e1"],"fixed":["0.0.0-20230126065759-d9383a7ee4e1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}