{"id":"CVE-2015-7576","details":"The http_basic_authenticate_with method in actionpack/lib/action_controller/metal/http_authentication.rb in the Basic Authentication implementation in Action Controller in Ruby on Rails before 3.2.22.1, 4.0.x and 4.1.x before 4.1.14.1, 4.2.x before 4.2.5.1, and 5.x before 5.0.0.beta1.1 does not use a constant-time algorithm for verifying credentials, which makes it easier for remote attackers to bypass authentication by measuring timing differences.","aliases":["GHSA-p692-7mm3-3fxg"],"modified":"2026-01-27T04:14:03.337520Z","published":"2016-02-16T02:59:00Z","withdrawn":"2026-01-27T04:14:03.337520Z","related":["SUSE-SU-2016:0435-1","SUSE-SU-2016:0457-1","SUSE-SU-2016:0600-1","SUSE-SU-2016:0618-1","SUSE-SU-2016:0623-1","SUSE-SU-2016:0857-1","SUSE-SU-2016:0858-1","SUSE-SU-2016:0968-1","SUSE-SU-2016:1146-1","SUSE-SU-2017:0475-1"],"references":[{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2016-0296.html"},{"type":"ADVISORY","url":"http://www.debian.org/security/2016/dsa-3464"},{"type":"WEB","url":"http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178043.html"},{"type":"WEB","url":"http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178047.html"},{"type":"WEB","url":"http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178067.html"},{"type":"WEB","url":"http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178068.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00053.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-updates/2016-02/msg00034.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-updates/2016-02/msg00043.html"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2016/01/25/8"},{"type":"WEB","url":"http://www.securityfocus.com/bid/81803"},{"type":"WEB","url":"http://www.securitytracker.com/id/1034816"},{"type":"WEB","url":"https://groups.google.com/forum/message/raw?msg=ruby-security-ann/ANv0HDHEC3k/T8Hgq-hYEgAJ"}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"}]}