{"id":"CVE-2024-23903","aliases":[],"url":"https://o3.security/vulnerability/CVE-2024-23903","summary":"Non-constant time webhook token comparison in Jenkins GitLab Branch Source Plugin ","details":"Jenkins GitLab Branch Source Plugin 684.vea_fa_7c1e2fe3 and earlier does not use a constant-time comparison function when checking whether the provided and expected webhook token are equal.\n\nThis could potentially allow attackers to use statistical methods to obtain a valid webhook token.\n\nGitLab Branch Source Plugin 688.v5fa_356ee8520 uses a constant-time comparison function when validating the webhook token.","published":"2024-01-24T18:31:02Z","modified":"2024-02-16T08:22:15.195882Z","cvss":{"score":3.7,"severity":"LOW","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"},"epss":{"score":0.005,"percentile":0.40858,"asOf":"2026-09-01"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"io.jenkins.plugins:gitlab-branch-source","fixedVersion":"688.v5fa"}],"fix":{"url":"https://github.com/jenkinsci/gitlab-branch-source-plugin/commit/8bfe1046cf342b99419457b9336addbbf346f89a","label":"jenkinsci/gitlab-branch-source-plugin@8bfe104"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-23903"},{"type":"WEB","url":"https://github.com/jenkinsci/gitlab-branch-source-plugin/commit/8bfe1046cf342b99419457b9336addbbf346f89a"},{"type":"PACKAGE","url":"https://github.com/jenkinsci/gitlab-branch-source-plugin"},{"type":"WEB","url":"https://www.jenkins.io/security/advisory/2024-01-24/#SECURITY-2871"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2024/01/24/6"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2024-02-16T08:22:15.195882Z"}}