{"id":"CVE-2013-1417","aliases":["DEBIAN-CVE-2013-1417","EUVD-2013-1455","GHSA-wfgh-cf33-x6c3","MGASA-2013-0336","UBUNTU-CVE-2013-1417","openSUSE-SU-2024:10004-1"],"status":"published","title":"do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.11 before 1.11.4...","description":"do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.11 before 1.11.4, when a single-component realm name is used, allows remote authenticated users to cause a denial of service (daemon crash) via a TGS-REQ request that triggers an attempted cross-realm referral for a host-based service principal.","severity":{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:N/A:P","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01932,"percentile":0.80177,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2013-11-20T11:00:00Z","modified":"2026-09-01T20:03:11Z","fixes":[{"ecosystem":"Debian:12","package":"krb5","fixed_in":["1.11.3+dfsg-3+nmu1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"krb5","fixed_in":["1.11.3+dfsg-3+nmu1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"krb5","fixed_in":["1.11.3+dfsg-3+nmu1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.11.3+dfsg-3+nmu1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.11.3+dfsg-3+nmu1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.11.3+dfsg-3+nmu1"}]}]},{"source":"osv","ecosystem":"Mageia:3","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.11.1-1.3.mga3"}]}],"bundled":2},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.15-1.1"}]}],"bundled":54}],"products":[{"vendor":"mit","product":"kerberos_5"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1030743","tags":["x_refsource_CONFIRM","x_transferred","report"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-12/msg00026.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://web.mit.edu/kerberos/krb5-1.11/README-1.11.4.txt","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://github.com/krb5/krb5/commit/4c023ba43c16396f0d199e2df1cfa59b88b62acc","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Patch","evidence","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-1417"},{"url":"https://github.com/advisories/GHSA-wfgh-cf33-x6c3"},{"url":"https://security-tracker.debian.org/tracker/CVE-2013-1417","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2013-0336.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=11668","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-1418","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2013-1417","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-1417","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2002-2443","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2009-0844","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2009-0845","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2009-0846","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2009-0847","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2009-3295","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2009-4212","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-0283","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-0628","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-1320","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-1321","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-1322","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-1323","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-1324","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-4020","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-4021","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2010-4022","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-0281","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-0282","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-0284","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-0285","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-1527","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-1528","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-1529","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2011-1530","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-1012","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-1013","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-1016","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1415","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1417","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-1418","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-4341","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-4342","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-4343","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-4344","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-4345","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-5351","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-5352","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-5353","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-5354","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-5355","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-9421","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-9422","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-9423","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-2694","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-2695","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-2696","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-2697","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-2698","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8629","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8630","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8631","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-3119","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2016-3120","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2013-1417","description":"do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.11 before 1.11.4, when a single-component realm name is used, allows remote authenticated users to cause a denial of service (daemon crash) via a TGS-REQ request that triggers an attempted cross-realm referral for a host-based service principal.","status":"published","published":"2013-11-20T11:00:00Z","modified":"2024-08-06T15:04:47.883Z","updated_at":"2026-11-02T14:34:58.534075Z"}],"euvd":[{"id":"EUVD-2013-1455","description":"do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.11 before 1.11.4, when a single-component realm name is used, allows remote authenticated users to cause a denial of service (daemon crash) via a TGS-REQ request that triggers an attempted cross-realm referral for a host-based service principal.","status":"published","published":"2013-11-20T11:00:00Z","modified":"2024-08-06T15:04:47Z","updated_at":"2026-11-03T01:56:42.411756Z"}],"ghsa":[{"id":"GHSA-wfgh-cf33-x6c3","title":"do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.11 before 1.11.4...","description":"do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.11 before 1.11.4, when a single-component realm name is used, allows remote authenticated users to cause a denial of service (daemon crash) via a TGS-REQ request that triggers an attempted cross-realm referral for a host-based service principal.","status":"published","published":"2022-05-13T01:28:50Z","modified":"2023-02-01T05:08:04Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:50:40.636216Z"}],"nvd":[{"id":"CVE-2013-1417","description":"do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.11 before 1.11.4, when a single-component realm name is used, allows remote authenticated users to cause a denial of service (daemon crash) via a TGS-REQ request that triggers an attempted cross-realm referral for a host-based service principal.","status":"published","published":"2013-11-20T14:12:44.96Z","modified":"2026-06-16T23:51:23.933Z","cvss":[{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:02:40.988689Z"}],"osv":[{"id":"CVE-2013-1417","description":"do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.11 before 1.11.4, when a single-component realm name is used, allows remote authenticated users to cause a denial of service (daemon crash) via a TGS-REQ request that triggers an attempted cross-realm referral for a host-based service principal.","status":"published","published":"2013-11-20T14:12:44Z","modified":"2026-04-16T06:16:43.639663503Z","updated_at":"2026-11-02T15:43:58.802805Z"},{"id":"DEBIAN-CVE-2013-1417","description":"do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.11 before 1.11.4, when a single-component realm name is used, allows remote authenticated users to cause a denial of service (daemon crash) via a TGS-REQ request that triggers an attempted cross-realm referral for a host-based service principal.","status":"published","published":"2013-11-20T14:12:44.96Z","modified":"2026-09-01T20:03:11.316669073Z","updated_at":"2026-11-02T15:45:25.218101Z"},{"id":"MGASA-2013-0336","title":"Updated krb5 package fixes security vulnerabilities","description":"An authenticated remote client can cause a KDC to crash by making a valid\nTGS-REQ to a KDC serving a realm with a single-component name. The\nprocess_tgs_req() function dereferences a null pointer because an unusual\nfailure condition causes a helper function to return success\n(CVE-2013-1417).\n\nIf a KDC serves multiple realms, certain requests can cause\nsetup_server_realm() to dereference a null pointer, crashing the KDC.\nThis   can be triggered by an unauthenticated user (CVE-2013-1418).\n","status":"published","published":"2013-11-20T20:41:07Z","modified":"2026-04-16T06:24:08.646783071Z","updated_at":"2026-11-02T15:49:39.121227Z"},{"id":"openSUSE-SU-2024:10004-1","title":"krb5-1.15-1.1 on GA media","description":"These are all security issues fixed in the krb5-1.15-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:18:07.629761Z","updated_at":"2026-11-02T16:58:33.135986Z"},{"id":"UBUNTU-CVE-2013-1417","description":"do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.11 before 1.11.4, when a single-component realm name is used, allows remote authenticated users to cause a denial of service (daemon crash) via a TGS-REQ request that triggers an attempted cross-realm referral for a host-based service principal.","status":"withdrawn","published":"2013-11-20T14:12:00Z","modified":"2025-07-16T07:31:09.965446Z","updated_at":"2026-11-02T15:54:06.854805Z"}]}}