{"id":"GHSA-vq4h-9ghm-qmrr","summary":"HashiCorp Vault's implementation of Shamir's secret sharing vulnerable to cache-timing attacks","details":"HashiCorp Vault's implementation of Shamir's secret sharing used precomputed table lookups, and was vulnerable to cache-timing attacks. An attacker with access to, and the ability to observe a large number of unseal operations on the host through a side channel may reduce the search space of a brute force effort to recover the Shamir shares. Fixed in Vault 1.13.1, 1.12.5, and 1.11.9.","aliases":["BIT-vault-2023-25000","CVE-2023-25000","GO-2023-1709"],"modified":"2026-07-17T21:07:44.850950945Z","published":"2023-03-30T03:30:38Z","database_specific":{"nvd_published_at":"2023-03-30T01:15:00Z","cwe_ids":["CWE-203","CWE-208"],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2023-04-07T19:23:01Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-25000"},{"type":"WEB","url":"https://github.com/hashicorp/vault/pull/19495"},{"type":"WEB","url":"https://discuss.hashicorp.com/t/hcsec-2023-10-vault-vulnerable-to-cache-timing-attacks-during-seal-and-unseal-operations/52078"},{"type":"PACKAGE","url":"https://github.com/hashicorp/vault"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20230526-0008"}],"affected":[{"package":{"name":"github.com/hashicorp/vault","ecosystem":"Go","purl":"pkg:golang/github.com/hashicorp/vault"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.11.9"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/03/GHSA-vq4h-9ghm-qmrr/GHSA-vq4h-9ghm-qmrr.json"}},{"package":{"name":"github.com/hashicorp/vault","ecosystem":"Go","purl":"pkg:golang/github.com/hashicorp/vault"},"ranges":[{"type":"SEMVER","events":[{"introduced":"1.12.0"},{"fixed":"1.12.5"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/03/GHSA-vq4h-9ghm-qmrr/GHSA-vq4h-9ghm-qmrr.json"}},{"package":{"name":"github.com/hashicorp/vault","ecosystem":"Go","purl":"pkg:golang/github.com/hashicorp/vault"},"ranges":[{"type":"SEMVER","events":[{"introduced":"1.13.0"},{"fixed":"1.13.1"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/03/GHSA-vq4h-9ghm-qmrr/GHSA-vq4h-9ghm-qmrr.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"}]}