{"id":"CVE-2013-6171","details":"checkpassword-reply in Dovecot before 2.2.7 performs setuid operations to a user who is authenticating, which allows local users to bypass authentication and access virtual email accounts by attaching to the process and using a restricted file descriptor to modify account information in the response to the dovecot-auth server.","modified":"2026-04-10T03:43:05.360210Z","published":"2013-12-09T16:36:47Z","references":[{"type":"ADVISORY","url":"http://secunia.com/advisories/54808"},{"type":"FIX","url":"http://www.dovecot.org/list/dovecot-news/2013-November/000264.html"},{"type":"WEB","url":"http://cpanel.net/tsr-2013-0010-full-disclosure/"},{"type":"WEB","url":"http://wiki2.dovecot.org/AuthDatabase/CheckPassword#Security"},{"type":"WEB","url":"https://usn.ubuntu.com/3556-2/"}],"schema_version":"1.7.5"}