{"id":"GHSA-mffc-9gx5-99g3","summary":"python-kerberos vulnerable to KDC spoofing attacks","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":["CVE-2015-3206","PYSEC-2017-49","PYSEC-2017-66"],"modified":"2024-09-27T16:13:38.329787Z","published":"2022-05-14T01:46:42Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2024-02-23T20:53:08Z","nvd_published_at":"2017-08-25T18:29:00Z","cwe_ids":["CWE-287"],"severity":"CRITICAL"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2015-3206"},{"type":"WEB","url":"https://github.com/apple/ccs-pykerberos/issues/31"},{"type":"WEB","url":"https://github.com/apple/ccs-pykerberos/commit/9cb61c93f9b24dd18a0a315f3df5445529c5c333"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1223802"},{"type":"PACKAGE","url":"https://github.com/apple/ccs-pykerberos"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/kerberos/PYSEC-2017-49.yaml"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/pykerberos/PYSEC-2017-66.yaml"},{"type":"WEB","url":"https://pypi.python.org/pypi/kerberos"},{"type":"WEB","url":"https://web.archive.org/web/20150910143429/https://trac.calendarserver.org/ticket/833"},{"type":"WEB","url":"https://web.archive.org/web/20200228090829/http://www.securityfocus.com/bid/74760"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2015/05/21/3"}],"affected":[{"package":{"name":"kerberos","ecosystem":"PyPI","purl":"pkg:pypi/kerberos"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.2.5"}]}],"versions":["1.1.1","1.1.2","1.2.0","1.2.2","1.2.3","1.2.4","1.2.5"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-mffc-9gx5-99g3/GHSA-mffc-9gx5-99g3.json"}},{"package":{"name":"pykerberos","ecosystem":"PyPI","purl":"pkg:pypi/pykerberos"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.6"}]}],"versions":["1.1.3","1.1.4","1.1.5"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-mffc-9gx5-99g3/GHSA-mffc-9gx5-99g3.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}]}