{"id":"GHSA-3rhm-67j6-42jq","summary":"Exposure of Sensitive information in authentikat-jwt","details":"A time-sensitive equality check on the JWT signature in the JsonWebToken.validate method in main/scala/authentikat/jwt/JsonWebToken.scala in authentikat-jwt (aka com.jason-goodwin/authentikat-jwt) version 0.4.5 and earlier allows the supplier of a JWT token to guess bit after bit of the signature by repeating validation requests.","aliases":["CVE-2017-18239"],"modified":"2024-12-02T05:49:07.423751Z","published":"2018-11-09T17:50:40Z","database_specific":{"nvd_published_at":null,"cwe_ids":[],"severity":"CRITICAL","github_reviewed":true,"github_reviewed_at":"2020-06-16T20:56:11Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2017-18239"},{"type":"WEB","url":"https://github.com/jasongoodwin/authentikat-jwt/issues/12"},{"type":"WEB","url":"https://github.com/jasongoodwin/authentikat-jwt/pull/36"},{"type":"WEB","url":"https://github.com/jasongoodwin/authentikat-jwt/commit/2d2fa0d40ac8f2f7aa7e9b070fa1a25eee082cb0"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-3rhm-67j6-42jq"},{"type":"PACKAGE","url":"https://github.com/jasongoodwin/authentikat-jwt"}],"affected":[{"package":{"name":"com.jason-goodwin:authentikat-jwt_2.12","ecosystem":"Maven","purl":"pkg:maven/com.jason-goodwin/authentikat-jwt_2.12"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.6"}]}],"versions":["0.4.4","0.4.5"],"database_specific":{"last_known_affected_version_range":"\u003c= 0.4.5","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2018/11/GHSA-3rhm-67j6-42jq/GHSA-3rhm-67j6-42jq.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}