{"id":"CVE-2013-1416","aliases":["DEBIAN-CVE-2013-1416","EUVD-2013-1454","GHSA-4vgm-5r69-wvp8","RHSA-2013:0748","UBUNTU-CVE-2013-1416","USN-2310-1"],"status":"published","title":"The prep_reprocess_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT...","description":"The prep_reprocess_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.5 does not properly perform service-principal realm referral, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS-REQ request.","severity":{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02921,"percentile":0.87129,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-476"],"published":"2013-04-19T00:00:00Z","modified":"2026-09-01T20:03:11Z","fixes":[{"ecosystem":"Debian:12","package":"krb5","fixed_in":["1.10.1+dfsg-5"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"krb5","fixed_in":["1.10.1+dfsg-5"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"krb5","fixed_in":["1.10.1+dfsg-5"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::client","package":"krb5","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::client","package":"krb5-debuginfo","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::client","package":"krb5-libs","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::client","package":"krb5-pkinit-openssl","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::client","package":"krb5-workstation","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::client","package":"krb5-devel","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::client","package":"krb5-server","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::client","package":"krb5-server-ldap","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"krb5","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"krb5-debuginfo","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"krb5-libs","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"krb5-pkinit-openssl","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"krb5-workstation","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"krb5-devel","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"krb5-server","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"krb5-server-ldap","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::server","package":"krb5","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::server","package":"krb5-debuginfo","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::server","package":"krb5-devel","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::server","package":"krb5-libs","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::server","package":"krb5-pkinit-openssl","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::server","package":"krb5-server","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::server","package":"krb5-server-ldap","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::server","package":"krb5-workstation","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"krb5","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"krb5-debuginfo","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"krb5-devel","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"krb5-libs","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"krb5-pkinit-openssl","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"krb5-server","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"krb5-server-ldap","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]},{"ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"krb5-workstation","fixed_in":["0:1.10.3-10.el6_4.2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.1+dfsg-5"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.1+dfsg-5"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.1+dfsg-5"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"krb5-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"krb5-libs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"krb5-pkinit-openssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"krb5-workstation","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"krb5-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"krb5-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::client","package":"krb5-server-ldap","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"krb5-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"krb5-libs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"krb5-pkinit-openssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"krb5-workstation","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"krb5-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"krb5-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::computenode","package":"krb5-server-ldap","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"krb5-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"krb5-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"krb5-libs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"krb5-pkinit-openssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"krb5-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"krb5-server-ldap","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::server","package":"krb5-workstation","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"krb5-debuginfo","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"krb5-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"krb5-libs","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"krb5-pkinit-openssl","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"krb5-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"krb5-server-ldap","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Red Hat:enterprise_linux:6::workstation","package":"krb5-workstation","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.10.3-10.el6_4.2"}]}]},{"source":"osv","ecosystem":"Ubuntu:14.04:LTS","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12+dfsg-2ubuntu4.2"}]}],"versions":["1.10.1+dfsg-6.1ubuntu1","1.11.3+dfsg-3ubuntu2","1.12+dfsg-2ubuntu1","1.12+dfsg-2ubuntu2","1.12+dfsg-2ubuntu3","1.12+dfsg-2ubuntu4"],"bundled":9}],"products":[{"vendor":"fedoraproject","product":"fedora"},{"vendor":"mit","product":"kerberos_5"},{"vendor":"opensuse","product":"opensuse"},{"vendor":"redhat","product":"enterprise_linux_desktop"},{"vendor":"redhat","product":"enterprise_linux_eus"},{"vendor":"redhat","product":"enterprise_linux_server"},{"vendor":"redhat","product":"enterprise_linux_server_aus"},{"vendor":"redhat","product":"enterprise_linux_workstation"}],"references":[{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2013:157","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","Third Party Advisory","advisory"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-06/msg00041.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","Mailing List","Third Party Advisory","advisory","article"]},{"url":"http://www.mandriva.com/security/advisories?name=MDVSA-2013:158","tags":["vendor-advisory","x_refsource_MANDRIVA","x_transferred","Third Party Advisory","advisory"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-April/102074.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","Third Party Advisory","advisory"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-06/msg00102.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","Mailing List","Third Party Advisory","advisory","article"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-05/msg00011.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","Mailing List","Third Party Advisory","advisory","article"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2013-April/102058.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/krb5/krb5/commit/8ee70ec63931d1e38567905387ab9b1d45734d81","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","advisory","fix"]},{"url":"http://krbdev.mit.edu/rt/Ticket/Display.html?id=7600","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"http://rhn.redhat.com/errata/RHSA-2013-0748.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-1416","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4vgm-5r69-wvp8"},{"url":"https://security-tracker.debian.org/tracker/CVE-2013-1416","tags":["advisory"]},{"url":"https://access.redhat.com/errata/RHSA-2013:0748","tags":["advisory"]},{"url":"https://access.redhat.com/security/updates/classification/#moderate","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=949984","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2013/rhsa-2013_0748.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2013-1416","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-1416","tags":["advisory","report"]},{"url":"https://ubuntu.com/security/CVE-2013-1416","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-2310-1","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2012-1016","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2013-1415","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2013-1418","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2013-6800","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2014-4341","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2014-4342","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2014-4343","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2014-4344","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2014-4345","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2013-1416","description":"The prep_reprocess_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.5 does not properly perform service-principal realm referral, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS-REQ request.","status":"published","published":"2013-04-19T10:00:00Z","modified":"2024-08-06T15:04:48.177Z","updated_at":"2026-11-02T14:34:58.193873Z"}],"euvd":[{"id":"EUVD-2013-1454","description":"The prep_reprocess_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.5 does not properly perform service-principal realm referral, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS-REQ request.","status":"published","published":"2013-04-19T10:00:00Z","modified":"2024-08-06T15:04:48Z","updated_at":"2026-11-03T01:56:42.411756Z"}],"ghsa":[{"id":"GHSA-4vgm-5r69-wvp8","title":"The prep_reprocess_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT...","description":"The prep_reprocess_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.5 does not properly perform service-principal realm referral, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS-REQ request.","status":"published","published":"2022-05-13T01:11:49Z","modified":"2023-02-01T05:03:46Z","cwes":["CWE-476"],"updated_at":"2026-11-02T14:50:06.238998Z"}],"nvd":[{"id":"CVE-2013-1416","description":"The prep_reprocess_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.5 does not properly perform service-principal realm referral, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS-REQ request.","status":"published","published":"2013-04-19T11:44:26.017Z","modified":"2026-06-16T23:51:23.79Z","cvss":[{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:02:25.704053Z"}],"osv":[{"id":"CVE-2013-1416","description":"The prep_reprocess_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.5 does not properly perform service-principal realm referral, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS-REQ request.","status":"published","published":"2013-04-19T11:44:26Z","modified":"2026-04-10T03:43:17.30217Z","updated_at":"2026-11-02T15:43:58.802805Z"},{"id":"DEBIAN-CVE-2013-1416","description":"The prep_reprocess_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.5 does not properly perform service-principal realm referral, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS-REQ request.","status":"published","published":"2013-04-19T11:44:26.017Z","modified":"2026-09-01T20:03:11.336378036Z","updated_at":"2026-11-02T15:45:25.218101Z"},{"id":"RHSA-2013:0748","title":"Red Hat Security Advisory: krb5 security update","status":"published","published":"2024-09-15T20:46:43Z","modified":"2026-06-26T12:21:44.159300923Z","updated_at":"2026-11-02T15:53:01.993625Z"},{"id":"UBUNTU-CVE-2013-1416","description":"The prep_reprocess_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.5 does not properly perform service-principal realm referral, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS-REQ request.","status":"withdrawn","published":"2013-04-19T00:00:00Z","modified":"2026-02-04T04:00:20.636454Z","updated_at":"2026-11-02T15:54:06.854805Z"},{"id":"USN-2310-1","title":"krb5 vulnerabilities","description":"It was discovered that Kerberos incorrectly handled certain crafted Draft 9\nrequests. A remote attacker could use this issue to cause the daemon to\ncrash, resulting in a denial of service. This issue only affected Ubuntu\n12.04 LTS. (CVE-2012-1016)\n\nIt was discovered that Kerberos incorrectly handled certain malformed\nKRB5_PADATA_PK_AS_REQ AS-REQ requests. A remote attacker could use this\nissue to cause the daemon to crash, resulting in a denial of service. This\nissue only affected Ubuntu 10.04 LTS and Ubuntu 12.04 LTS. (CVE-2013-1415)\n\nIt was discovered that Kerberos incorrectly handled certain crafted TGS-REQ\nrequests. A remote authenticated attacker could use this issue to cause the\ndaemon to crash, resulting in a denial of service. This issue only affected\nUbuntu 10.04 LTS and Ubuntu 12.04 LTS. (CVE-2013-1416)\n\nIt was discovered that Kerberos incorrectly handled certain crafted\nrequests when multiple realms were configured. A remote attacker could use\nthis issue to cause the daemon to crash, resulting in a denial of service.\nThis issue only affected Ubuntu 10.04 LTS and Ubuntu 12.04 LTS.\n(CVE-2013-1418, CVE-2013-6800)\n\nIt was discovered that Kerberos incorrectly handled certain invalid tokens.\nIf a remote attacker were able to perform a machine-in-the-middle attack, this\nflaw could be used to cause the daemon to crash, resulting in a denial of\nservice. (CVE-2014-4341, CVE-2014-4342)\n\nIt was discovered that Kerberos incorrectly handled certain mechanisms when\nused with SPNEGO. If a remote attacker were able to perform a\nmachine-in-the-middle attack, this flaw could be used to cause clients to\ncrash, resulting in a denial of service. (CVE-2014-4343)\n\nIt was discovered that Kerberos incorrectly handled certain continuation\ntokens during SPNEGO negotiations. A remote attacker could use this issue\nto cause the daemon to crash, resulting in a denial of service.\n(CVE-2014-4344)\n\nTomas Kuthan and Greg Hudson discovered that the Kerberos kadmind daemon\nincorrectly handled buffers when used with the LDAP backend. A remote\nattacker could use this issue to cause the daemon to crash, resulting in a\ndenial of service, or possibly execute arbitrary code. (CVE-2014-4345)\n","status":"published","published":"2014-08-11T13:20:42Z","modified":"2026-04-22T08:58:35.533158Z","updated_at":"2026-11-02T16:58:09.227524Z"}]}}