{"id":"CVE-2015-3206","details":"The checkPassword function in python-kerberos does not authenticate the KDC it attempts to communicate with, which allows remote attackers to cause a denial of service (bad response), or have other unspecified impact by performing a man-in-the-middle attack.","aliases":["GHSA-mffc-9gx5-99g3","PYSEC-2017-49","PYSEC-2017-66"],"modified":"2025-08-09T19:01:26Z","published":"2017-08-25T18:29:00Z","references":[{"type":"FIX","url":"http://www.openwall.com/lists/oss-security/2015/05/21/3"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/74760"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1223802"},{"type":"REPORT","url":"https://github.com/apple/ccs-pykerberos/issues/31"},{"type":"FIX","url":"https://pypi.python.org/pypi/kerberos"}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}