{"id":"CVE-2018-5729","aliases":["BELL-CVE-2018-5729","DEBIAN-CVE-2018-5729","DLA-1643-1","DLA-2771-1","EUVD-2018-17498","GHSA-c28w-559x-wr7v","MGASA-2018-0155","RHSA-2018:3071","SUSE-SU-2018:0846-1","SUSE-SU-2018:0859-1","SUSE-SU-2019:0175-1","UBUNTU-CVE-2018-5729","openSUSE-SU-2019:0139-1","openSUSE-SU-2024:10899-1"],"status":"published","title":"MIT krb5 1.6 or later allows an authenticated kadmin with permission to add principals to an LDAP...","description":"MIT krb5 1.6 or later allows an authenticated kadmin with permission to add principals to an LDAP Kerberos database to cause a denial of service (NULL pointer dereference) or bypass a DN container check by supplying tagged data that is internal to the database module.","severity":{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.02582,"percentile":0.85324,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-476"],"published":"2018-03-01T21:27:52Z","modified":"2026-10-24T14:20:56Z","fixes":[{"ecosystem":"Debian:12","package":"krb5","fixed_in":["1.16.1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"krb5","fixed_in":["1.16.1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"krb5","fixed_in":["1.16.1-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:14.04:LTS","package":"krb5","fixed_in":["1.12+dfsg-2ubuntu5.4"],"sources":["osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"krb5","fixed_in":["1.13.2+dfsg-5ubuntu2.1"],"sources":["osv"]},{"ecosystem":"Ubuntu:18.04:LTS","package":"krb5","fixed_in":["1.16-2ubuntu0.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16.1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16.1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.16.1-1"}]}]},{"source":"osv","ecosystem":"Debian:8","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.1+dfsg-19+deb8u5"}]}],"versions":["1.12.1+dfsg-19","1.12.1+dfsg-19+deb8u1","1.12.1+dfsg-19+deb8u2","1.12.1+dfsg-19+deb8u4"],"bundled":4},{"source":"osv","ecosystem":"Debian:9","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.15-1+deb9u3"}]}],"versions":["1.15-1","1.15-1+deb9u1","1.15-1+deb9u2"],"bundled":5},{"source":"osv","ecosystem":"Mageia:6","package":"krb5","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.15.1-2.3.mga6"}]}],"bundled":3},{"source":"osv","ecosystem":"Red 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Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-5729","tags":["advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GK5T6JPMBHBPKS7HNGHYUUF4KKRMNSNU"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OIFUL3CPM4S5TOXTTOCQ3CUZN6XCXUTR"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GK5T6JPMBHBPKS7HNGHYUUF4KKRMNSNU"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OIFUL3CPM4S5TOXTTOCQ3CUZN6XCXUTR"},{"url":"https://github.com/advisories/GHSA-c28w-559x-wr7v"},{"url":"https://docs.bell-sw.com/security/cves/CVE-2018-5729","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-5729","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2018-0155.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=22647","tags":["report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/GK5T6JPMBHBPKS7HNGHYUUF4KKRMNSNU/","tags":["web"]},{"url":"https://access.redhat.com/security/updates/classification/#low","tags":["article"]},{"url":"https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.6_release_notes/index","tags":["article"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1373909","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1497301","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1525232","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1538491","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1539824","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1540130","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1551082","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1563166","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1570600","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1599721","tags":["report"]},{"url":"https://security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_3071.json","tags":["advisory"]},{"url":"https://access.redhat.com/security/cve/CVE-2018-5729","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-5729","tags":["advisory","report"]},{"url":"https://access.redhat.com/security/cve/CVE-2018-5730","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-5730","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-5730","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2018/suse-su-20180846-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1057662","tags":["report"]},{"url":"https://bugzilla.suse.com/1081725","tags":["report"]},{"url":"https://bugzilla.suse.com/1083926","tags":["report"]},{"url":"https://bugzilla.suse.com/1083927","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2018-5729","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2018-5730","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2018/suse-su-20180859-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1056995","tags":["report"]},{"url":"https://bugzilla.suse.com/970696","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2017-11462","tags":["web"]},{"url":"https://www.suse.com/support/update/announcement/2019/suse-su-20190175-1/","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2018-5729","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/SMD7M4ZIYICJIBXAT2O34XUCDIU6HRBV/#SMD7M4ZIYICJIBXAT2O34XUCDIU6HRBV","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2006-6143","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2006-6144","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2007-0956","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2007-0957","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2007-1216","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2007-2442","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2007-2798","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2007-3999","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2007-4000","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2007-5894","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2007-5902","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2007-5971","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2007-5972","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2008-0062","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2008-0947","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2017-11368","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-36222","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2021-37750","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2018-5729","description":"MIT krb5 1.6 or later allows an authenticated kadmin with permission to add principals to an LDAP Kerberos database to cause a denial of service (NULL pointer dereference) or bypass a DN container check by supplying tagged data that is internal to the database module.","status":"published","published":"2018-03-06T20:00:00Z","modified":"2024-08-05T05:40:51.27Z","updated_at":"2026-11-02T14:35:00.948726Z"}],"euvd":[{"id":"EUVD-2018-17498","description":"MIT krb5 1.6 or later allows an authenticated kadmin with permission to add principals to an LDAP Kerberos database to cause a denial of service (NULL pointer dereference) or bypass a DN container check by supplying tagged data that is internal to the database module.","status":"published","published":"2018-03-06T20:00:00Z","modified":"2024-08-05T05:40:51Z","updated_at":"2026-11-03T02:40:10.116776Z"}],"ghsa":[{"id":"GHSA-c28w-559x-wr7v","title":"MIT krb5 1.6 or later allows an authenticated kadmin with permission to add principals to an LDAP...","description":"MIT krb5 1.6 or later allows an authenticated kadmin with permission to add principals to an LDAP Kerberos database to cause a denial of service (NULL pointer dereference) or bypass a DN container check by supplying tagged data that is internal to the database module.","status":"published","published":"2022-05-13T01:05:38Z","modified":"2024-05-23T18:30:53Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:57:24.376732Z"}],"nvd":[{"id":"CVE-2018-5729","description":"MIT krb5 1.6 or later allows an authenticated kadmin with permission to add principals to an LDAP Kerberos database to cause a denial of service (NULL pointer dereference) or bypass a DN container check by supplying tagged data that is internal to the database module.","status":"published","published":"2018-03-06T20:29:00.563Z","modified":"2026-06-17T02:00:40.15Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:04:23.783914Z"}],"osv":[{"id":"BELL-CVE-2018-5729","title":"CVE-2018-5729 does not affect BellSoft software","status":"withdrawn","published":"2018-03-06T20:29:00Z","modified":"2026-01-26T09:47:55.66485Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:28:14.701973Z"},{"id":"CVE-2018-5729","description":"MIT krb5 1.6 or later allows an authenticated kadmin with permission to add principals to an LDAP Kerberos database to cause a denial of service (NULL pointer dereference) or bypass a DN container check by supplying tagged data that is internal to the database module.","status":"published","published":"2018-03-06T20:29:00.563Z","modified":"2026-10-24T14:20:56.493357216Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:44:09.442568Z"},{"id":"DEBIAN-CVE-2018-5729","description":"MIT krb5 1.6 or later allows an authenticated kadmin with permission to add principals to an LDAP Kerberos database to cause a denial of service (NULL pointer dereference) or bypass a DN container check by supplying tagged data that is internal to the database module.","status":"published","published":"2018-03-06T20:29:00.563Z","modified":"2026-10-23T18:03:07.254788477Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:45:30.867575Z"},{"id":"RHSA-2018:3071","title":"Red Hat Security Advisory: krb5 security, bug fix, and enhancement update","status":"published","published":"2024-09-16T01:14:05Z","modified":"2026-08-09T10:01:48Z","cvss":[{"version":"3.0","score":4.7,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:05.383061Z"},{"id":"UBUNTU-CVE-2018-5729","description":"MIT krb5 1.6 or later allows an authenticated kadmin with permission to add principals to an LDAP Kerberos database to cause a denial of service (NULL pointer dereference) or bypass a DN container check by supplying tagged data that is internal to the database module.","status":"published","published":"2018-03-06T20:29:00Z","modified":"2026-04-22T11:59:34.180952Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium"},{"version":"3.0","score":4.7,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:54:18.33562Z"},{"id":"DLA-1643-1","title":"krb5 - security update","status":"published","published":"2019-01-25T00:00:00Z","modified":"2026-03-09T01:22:04.727225Z","updated_at":"2026-11-02T15:46:09.777694Z"},{"id":"DLA-2771-1","title":"krb5 - security update","status":"published","published":"2021-09-30T00:00:00Z","modified":"2026-03-09T01:20:11.686302Z","updated_at":"2026-11-02T15:46:11.189256Z"},{"id":"MGASA-2018-0155","title":"Updated krb5 packages fix security vulnerabilities","description":"Updated krb5 packages fix security vulnerabilities:\n\nAn issue was discovered in MIT Kerberos 5 (aka krb5) through 1.16. The \npre-defined function \"strlen\" is getting a \"NULL\" string as a parameter value\nin plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c in the Key Distribution\nCenter (KDC), which allows remote authenticated users to cause a denial of\nservice (NULL pointer dereference) via a modified kadmin client\n(CVE-2018-5710, CVE-2018-5729, CVE-2018-5730).\n","status":"published","published":"2018-03-01T21:27:52Z","modified":"2026-04-16T04:44:29.178826538Z","updated_at":"2026-11-02T15:49:40.442238Z"},{"id":"openSUSE-SU-2019:0139-1","title":"Security update for krb5","description":"This update for krb5 fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2018-5729, CVE-2018-5730: Fixed multiple flaws in LDAP DN checking (bsc#1083926, bsc#1083927)\n\nThis update was imported from the SUSE:SLE-15:Update update project.","status":"published","published":"2019-03-23T10:53:07Z","modified":"2025-05-02T04:29:58.991134Z","updated_at":"2026-11-02T16:58:30.39372Z"},{"id":"openSUSE-SU-2024:10899-1","title":"krb5-1.19.2-2.2 on GA media","description":"These are all security issues fixed in the krb5-1.19.2-2.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:20:44.135635Z","updated_at":"2026-11-02T16:58:34.894275Z"},{"id":"SUSE-SU-2018:0846-1","title":"Security update for krb5","description":"This update for krb5 provides the following fixes:\n\nSecurity issues fixed:\n\n- CVE-2018-5730: DN container check bypass by supplying special crafted data (bsc#1083927).\n- CVE-2018-5729: Null pointer dereference in kadmind or DN container check bypass by supplying special crafted data (bsc#1083926).\n\nNon-security issues fixed:\n\n- Make it possible for legacy applications (e.g. SAP Netweaver) to remain compatible with\n  newer Kerberos. System administrators who are experiencing this kind of compatibility\n  issues may set the environment variable GSSAPI_ASSUME_MECH_MATCH to a non-empty value,\n  and make sure the environment variable is visible and effective to the application\n  startup script. (bsc#1057662)\n- Fix a GSS failure in legacy applications by not indicating deprecated GSS mechanisms in\n  gss_indicate_mech() list. (bsc#1081725)\n","status":"published","published":"2018-03-29T12:02:46Z","modified":"2026-02-04T03:47:15.217613Z","updated_at":"2026-11-02T15:53:44.594517Z"},{"id":"SUSE-SU-2018:0859-1","title":"Security update for krb5","description":"\nThis update for krb5 fixes several issues.\n\nThis security issue was fixed:\n\n- CVE-2017-11462: Prevent automatic security context deletion to prevent double-free (bsc#1056995).\n- CVE-2018-5729: Null pointer dereference in kadmind or DN container check bypass by supplying special crafted data (bsc#1083926).\n- CVE-2018-5730: DN container check bypass by supplying special crafted data (bsc#1083927).\n\n\nThis non-security issue was fixed:\n\n- Avoid indefinite polling in KDC communication. (bsc#970696)\n","status":"published","published":"2018-04-03T07:47:57Z","modified":"2026-02-04T02:36:42.80354Z","updated_at":"2026-11-02T15:53:44.594517Z"},{"id":"SUSE-SU-2019:0175-1","title":"Security update for krb5","description":"This update for krb5 fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2018-5729, CVE-2018-5730: Fixed multiple flaws in LDAP DN checking (bsc#1083926, bsc#1083927)\n","status":"published","published":"2019-01-25T15:24:08Z","modified":"2026-02-04T03:43:57.847586Z","updated_at":"2026-11-02T15:53:45.926331Z"}]}}