{"id":"CVE-2011-4318","details":"Dovecot 2.0.x before 2.0.16, when ssl or starttls is enabled and hostname is used to define the proxy destination, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via a valid certificate for a different hostname.","modified":"2026-01-27T04:12:56.877815Z","published":"2013-03-07T01:55:01Z","withdrawn":"2026-01-27T04:12:56.877815Z","references":[{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2013-0520.html"},{"type":"ADVISORY","url":"http://secunia.com/advisories/46886"},{"type":"ADVISORY","url":"http://secunia.com/advisories/52311"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=754980"},{"type":"WEB","url":"http://hg.dovecot.org/dovecot-2.0/rev/5e9eaf63a6b1"},{"type":"WEB","url":"http://www.dovecot.org/list/dovecot-news/2011-November/000200.html"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2011/11/18/5"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2011/11/18/7"},{"type":"WEB","url":"https://bugs.gentoo.org/show_bug.cgi?id=390887"}],"schema_version":"1.7.3"}